US Places Synopsis (List# 4493705)
| Country | United States (US) | |||||||||
| Continent | North America | |||||||||
| Currency | Dollar (USD) | |||||||||
| Web tld | .us | |||||||||
| Language | English (en-US), Spanish (es-US), Hawaiian (haw), French (fr) |
| Place | Latitude | Longitude | DMS Latitude | DMS Longitude | Place Type | State | Elevation (feet) | UTM Easting | UTM Northing | UTM Zone |
| Oak Grove Union School | 40.5512 | -76.42996 | 40° 33′ 04.32″ N | 76° 25′ 47.85″ W | School | Pennsylvania | 551 | 378924 | 4489920 | 18T |
| Oak Hall | 40.79395 | -77.8025 | 40° 47′ 38.22″ N | 77° 48′ 08.99″ W | Populated Place | Pennsylvania | 1053 | 263559 | 4519663 | 18T |
| Oak Hall School | 41.8284 | -77.79916 | 41° 49′ 42.24″ N | 77° 47′ 56.97″ W | School | Pennsylvania | 1827 | 267548 | 4634512 | 18T |
| Oak Hill | 40.4259 | -79.81283 | 40° 25′ 33.23″ N | 79° 48′ 46.18″ W | Populated Place | Pennsylvania | 984 | 600705 | 4475706 | 17T |
| Oak Hill | 41.63924 | -76.26938 | 41° 38′ 21.26″ N | 76° 16′ 09.76″ W | Mountain | Pennsylvania | 1325 | 394280 | 4610500 | 18T |
| Oak Hill | 41.82035 | -76.76745 | 41° 49′ 13.25″ N | 76° 46′ 02.81″ W | Mountain | Pennsylvania | 1936 | 353210 | 4631340 | 18T |
| Oak Hill | 41.15284 | -78.12195 | 41° 09′ 10.22″ N | 78° 07′ 19.01″ W | Populated Place | Pennsylvania | 1467 | 741502 | 4559717 | 17T |
| Oak Hill | 41.92228 | -79.91311 | 41° 55′ 20.20″ N | 79° 54′ 47.19″ W | Mountain | Pennsylvania | 1440 | 590123 | 4641718 | 17T |
| Oak Hill | 41.36591 | -75.7163 | 41° 21′ 57.27″ N | 75° 42′ 58.68″ W | Populated Place | Pennsylvania | 837 | 440092 | 4579625 | 18T |
| Oak Hill | 41.98702 | -75.62129 | 41° 59′ 13.27″ N | 75° 37′ 16.64″ W | Mountain | Pennsylvania | 1729 | 448535 | 4648521 | 18T |
| Oak Hill | 41.99786 | -75.63963 | 41° 59′ 52.29″ N | 75° 38′ 22.66″ W | Mountain | Pennsylvania | 1732 | 447025 | 4649736 | 18T |
| Oak Hill | 41.81646 | -77.06219 | 41° 48′ 59.25″ N | 77° 03′ 43.88″ W | Mountain | Pennsylvania | 1624 | 328720 | 4631453 | 18T |
| Oak Hill | 41.41284 | -79.83978 | 41° 24′ 46.22″ N | 79° 50′ 23.20″ W | Populated Place | Pennsylvania | 1421 | 596965 | 4585237 | 17T |
| Oak Hill | 41.56758 | -75.9502 | 41° 34′ 03.28″ N | 75° 57′ 00.71″ W | Mountain | Pennsylvania | 1352 | 420775 | 4602202 | 18T |
| Oak Hill Cemetery | 41.77896 | -76.45189 | 41° 46′ 44.25″ N | 76° 27′ 06.80″ W | Cemetery | Pennsylvania | 938 | 379341 | 4626253 | 18T |
| Oak Hill Cemetery | 41.7923 | -76.7719 | 41° 47′ 32.27″ N | 76° 46′ 18.84″ W | Cemetery | Pennsylvania | 1168 | 352776 | 4628233 | 18T |
| Oak Hill Cemetery | 40.97978 | -78.52641 | 40° 58′ 47.20″ N | 78° 31′ 35.07″ W | Cemetery | Pennsylvania | 1362 | 708105 | 4539459 | 17T |
| Oak Hill Cemetery | 40.54508 | -76.96081 | 40° 32′ 42.28″ N | 76° 57′ 38.91″ W | Cemetery | Pennsylvania | 453 | 333959 | 4490105 | 18T |
| Oak Hill Cemetery | 42.2095 | -79.85616 | 42° 12′ 34.19″ N | 79° 51′ 22.17″ W | Cemetery | Pennsylvania | 797 | 594419 | 4673670 | 17T |
| Oak Hill Cemetery | 41.95137 | -78.38265 | 41° 57′ 04.93″ N | 78° 22′ 57.53″ W | Cemetery | Pennsylvania | 1552 | 716935 | 4647690 | 17T |
| Oak Hill Cemetery | 41.95992 | -78.63562 | 41° 57′ 35.71″ N | 78° 38′ 08.23″ W | Cemetery | Pennsylvania | 1499 | 695941 | 4648030 | 17T |
| Oak Hill Cemetery | 41.33867 | -80.08062 | 41° 20′ 19.21″ N | 80° 04′ 50.23″ W | Cemetery | Pennsylvania | 1342 | 576924 | 4576761 | 17T |
| Oak Hill Golf Course | 40.56646 | -79.64449 | 40° 33′ 59.25″ N | 79° 38′ 40.16″ W | Golf Course | Pennsylvania | 1266 | 614745 | 4491514 | 17T |
| Oak Hill School | 41.62563 | -76.27188 | 41° 37′ 32.26″ N | 76° 16′ 18.76″ W | School | Pennsylvania | 1040 | 394049 | 4608992 | 18T |
| Oak Hill School | 41.11451 | -79.34115 | 41° 06′ 52.23″ N | 79° 20′ 28.13″ W | School | Pennsylvania | 1322 | 639272 | 4552794 | 17T |
| Oak Hill School | 41.14812 | -78.12084 | 41° 08′ 53.23″ N | 78° 07′ 15.02″ W | School | Pennsylvania | 1486 | 741612 | 4559196 | 17T |
| Oak Hill School | 41.25534 | -80.19895 | 41° 15′ 19.22″ N | 80° 11′ 56.21″ W | School | Pennsylvania | 1260 | 567109 | 4567412 | 17T |
| Oak Hill School | 41.99091 | -75.63213 | 41° 59′ 27.27″ N | 75° 37′ 55.66″ W | School | Pennsylvania | 1591 | 447640 | 4648960 | 18T |
| Oak Hill Station | 40.42451 | -79.80116 | 40° 25′ 28.23″ N | 79° 48′ 04.17″ W | Building | Pennsylvania | 1063 | 601697 | 4475565 | 17T |
| Oak Hills | 40.82479 | -79.91311 | 40° 49′ 29.24″ N | 79° 54′ 47.19″ W | Populated Place | Pennsylvania | 1224 | 591651 | 4519875 | 17T |
| Oak Hills Golf Course | 40.83173 | -79.91311 | 40° 49′ 54.22″ N | 79° 54′ 47.19″ W | Golf Course | Pennsylvania | 1289 | 591641 | 4520646 | 17T |
| Oak Knob | 41.67758 | -75.71491 | 41° 40′ 39.28″ N | 75° 42′ 53.67″ W | Mountain | Pennsylvania | 1289 | 440494 | 4614226 | 18T |
| Oak Lane | 40.0565 | -75.12129 | 40° 03′ 23.39″ N | 75° 07′ 16.64″ W | Populated Place | Pennsylvania | 233 | 489655 | 4434035 | 18T |
| Oak Lane Manor | 40.05178 | -75.11129 | 40° 03′ 06.40″ N | 75° 06′ 40.64″ W | Populated Place | Pennsylvania | 174 | 490507 | 4433510 | 18T |
| Oak Lane Reservoir | 40.04915 | -75.12633 | 40° 02′ 56.93″ N | 75° 07′ 34.78″ W | Reservoir | Pennsylvania | 217 | 489224 | 4433220 | 18T |
| Oak Lawn Cemetery | 40.93006 | -78.93531 | 40° 55′ 48.21″ N | 78° 56′ 07.11″ W | Cemetery | Pennsylvania | 1453 | 673832 | 4533045 | 17T |
| Oak Lawn Cemetery | 41.2248 | -75.91353 | 41° 13′ 29.28″ N | 75° 54′ 48.70″ W | Cemetery | Pennsylvania | 656 | 423431 | 4564114 | 18T |
| Oak Park | 40.24511 | -75.30295 | 40° 14′ 42.39″ N | 75° 18′ 10.61″ W | Populated Place | Pennsylvania | 344 | 474232 | 4455006 | 18T |
| Oak Park | 40.91397 | -76.76024 | 40° 54′ 50.29″ N | 76° 45′ 36.86″ W | Populated Place | Pennsylvania | 479 | 351765 | 4530698 | 18T |
| Oak Park Cemetery | 41.01867 | -80.32784 | 41° 01′ 07.21″ N | 80° 19′ 40.22″ W | Cemetery | Pennsylvania | 961 | 556513 | 4541047 | 17T |
| Oak Park Elementary School | 40.25455 | -75.29517 | 40° 15′ 16.38″ N | 75° 17′ 42.61″ W | School | Pennsylvania | 338 | 474898 | 4456052 | 18T |
| Oak Point | 41.79674 | -77.36109 | 41° 47′ 48.26″ N | 77° 21′ 39.92″ W | Mountain | Pennsylvania | 2241 | 303832 | 4629903 | 18T |
| Oak Ridge | 41.00757 | -79.29587 | 41° 00′ 27.25″ N | 79° 17′ 45.13″ W | Populated Place | Pennsylvania | 1102 | 643306 | 4540996 | 17T |
| Oak Ridge | 40.8495 | -78.49641 | 40° 50′ 58.19″ N | 78° 29′ 47.07″ W | Populated Place | Pennsylvania | 1768 | 711043 | 4525067 | 17T |
| Oak Ridge | 41.80702 | -77.35442 | 41° 48′ 25.27″ N | 77° 21′ 15.91″ W | Ridge | Pennsylvania | 2257 | 304418 | 4631029 | 18T |
| Oak Ridge | 41.55285 | -76.17882 | 41° 33′ 10.25″ N | 76° 10′ 43.75″ W | Ridge | Pennsylvania | 1896 | 401691 | 4600802 | 18T |
| Oak Ridge Cemetery | 40.51007 | -78.38585 | 40° 30′ 36.25″ N | 78° 23′ 09.06″ W | Cemetery | Pennsylvania | 1184 | 721486 | 4487655 | 17T |
| Oak Ridge Cemetery | 40.8995 | -77.88945 | 40° 53′ 58.20″ N | 77° 53′ 22.01″ W | Cemetery | Pennsylvania | 886 | 256609 | 4531620 | 18T |
| Oak Ridge Trail | 41.25674 | -77.54887 | 41° 15′ 24.26″ N | 77° 32′ 55.93″ W | Trail | Pennsylvania | 1703 | 286460 | 4570391 | 18T |
| Oak Ridge Trail | 41.37868 | -77.86638 | 41° 22′ 43.24″ N | 77° 51′ 58.96″ W | Trail | Pennsylvania | 1867 | 260305 | 4584760 | 18T |
| Oak Ridge Trail | 41.32645 | -79.0617 | 41° 19′ 35.22″ N | 79° 03′ 42.12″ W | Trail | Pennsylvania | 1644 | 662211 | 4576809 | 17T |
| Oak Ridge Trail | 41.80785 | -77.33248 | 41° 48′ 28.26″ N | 77° 19′ 56.92″ W | Trail | Pennsylvania | 2182 | 306243 | 4631072 | 18T |
| Oak Road School | 40.31924 | -79.54587 | 40° 19′ 09.26″ N | 79° 32′ 45.13″ W | School | Pennsylvania | 1253 | 623546 | 4464205 | 17T |
| Oak Run | 41.24091 | -76.77301 | 41° 14′ 27.27″ N | 76° 46′ 22.83″ W | Stream | Pennsylvania | 551 | 351428 | 4567016 | 18T |
| Oak Spring Cemetery | 40.26229 | -80.20395 | 40° 15′ 44.24″ N | 80° 12′ 14.22″ W | Cemetery | Pennsylvania | 1132 | 567690 | 4457173 | 17T |
| Oak Summit | 40.09511 | -75.15962 | 40° 05′ 42.39″ N | 75° 09′ 34.63″ W | Populated Place | Pennsylvania | 285 | 486393 | 4438325 | 18T |
| Talamore Country Club | 40.19622 | -75.20351 | 40° 11′ 46.39″ N | 75° 12′ 12.63″ W | Resort | Pennsylvania | 295 | 482678 | 4449555 | 18T |
| Oak Tree | 40.81062 | -79.05003 | 40° 48′ 38.23″ N | 79° 03′ 00.10″ W | Populated Place | Pennsylvania | 1270 | 664468 | 4519563 | 17T |
| Oak Tree Dam | 41.17672 | -80.50813 | 41° 10′ 36.19″ N | 80° 30′ 29.26″ W | Dam | Pennsylvania | 1030 | 541256 | 4558491 | 17T |
| Oak Tree Lake | 41.17672 | -80.50813 | 41° 10′ 36.19″ N | 80° 30′ 29.26″ W | Reservoir | Pennsylvania | 1030 | 541256 | 4558491 | 17T |
| Oak Valley | 40.20428 | -74.86294 | 40° 12′ 15.40″ N | 74° 51′ 46.58″ W | Place | Pennsylvania | 184 | 511664 | 4450439 | 18T |
| Oakbrook Golf Course | 40.13758 | -79.03558 | 40° 08′ 15.28″ N | 79° 02′ 08.08″ W | Golf Course | Pennsylvania | 2001 | 667350 | 4444877 | 17T |
| Oakbrook School | 40.31676 | -75.93632 | 40° 19′ 00.33″ N | 75° 56′ 10.75″ W | School | Pennsylvania | 259 | 420445 | 4463336 | 18T |
| Oakbur Junction | 40.9737 | -76.02215 | 40° 58′ 25.32″ N | 76° 01′ 19.73″ W | Place | Pennsylvania | 1476 | 414000 | 4536340 | 18T |
| Oakdale | 40.39812 | -80.18561 | 40° 23′ 53.23″ N | 80° 11′ 08.19″ W | Populated Place | Pennsylvania | 899 | 569111 | 4472264 | 17T |
| Oakdale | 40.99203 | -75.9202 | 40° 59′ 31.30″ N | 75° 55′ 12.71″ W | Populated Place | Pennsylvania | 1617 | 422599 | 4538280 | 18T |
| Oakdale AHP | 40.3884 | -80.15811 | 40° 23′ 18.23″ N | 80° 09′ 29.19″ W | Airport | Pennsylvania | 1083 | 571455 | 4471207 | 17T |
| Oakdale Cemetery | 40.38823 | -80.18563 | 40° 23′ 17.62″ N | 80° 11′ 08.26″ W | Cemetery | Pennsylvania | 1125 | 569119 | 4471166 | 17T |
| Oakdale School | 40.00481 | -77.54193 | 40° 00′ 17.31″ N | 77° 32′ 30.94″ W | School | Pennsylvania | 787 | 283024 | 4431386 | 18T |
| Oakdale School | 41.25508 | -76.12521 | 41° 15′ 18.28″ N | 76° 07′ 30.75″ W | School | Pennsylvania | 1148 | 405733 | 4567684 | 18T |
| Oakdale School | 40.2334 | -79.41809 | 40° 14′ 00.24″ N | 79° 25′ 05.12″ W | School | Pennsylvania | 1194 | 634573 | 4454862 | 17T |
| Oakdale Station | 40.55592 | -76.75997 | 40° 33′ 21.31″ N | 76° 45′ 35.89″ W | Place | Pennsylvania | 748 | 350991 | 4490950 | 18T |
| Borough of Oakdale | 40.40017 | -80.18715 | 40° 24′ 00.61″ N | 80° 11′ 13.74″ W | Third-Order Administrative Division | Pennsylvania | 902 | 568978 | 4472490 | 17T |
| Oakes School | 41.58061 | -79.95756 | 41° 34′ 50.19″ N | 79° 57′ 27.21″ W | School | Pennsylvania | 1434 | 586897 | 4603738 | 17T |
| Oakes Swamp | 41.20277 | -75.43734 | 41° 12′ 09.97″ N | 75° 26′ 14.42″ W | Swamp | Pennsylvania | 1955 | 463331 | 4561359 | 18T |
| Oakford | 40.14844 | -74.96378 | 40° 08′ 54.38″ N | 74° 57′ 49.60″ W | Populated Place | Pennsylvania | 187 | 503085 | 4444233 | 18T |
| Oakford Park | 40.3334 | -79.59393 | 40° 20′ 00.23″ N | 79° 35′ 38.14″ W | Park | Pennsylvania | 1184 | 619437 | 4465711 | 17T |
| Oakford Pumping Station | 40.40257 | -79.55921 | 40° 24′ 09.25″ N | 79° 33′ 33.15″ W | Water Pumping Station | Pennsylvania | 1119 | 622262 | 4473436 | 17T |
| Oakgrove | 40.30009 | -77.27887 | 40° 18′ 00.32″ N | 77° 16′ 43.93″ W | Populated Place | Pennsylvania | 591 | 306322 | 4463557 | 18T |
| Oakgrove School (historical) | 40.49951 | -79.03586 | 40° 29′ 58.23″ N | 79° 02′ 09.09″ W | School | Pennsylvania | 1778 | 666435 | 4485053 | 17T |
| Oakhill Breaker (historical) | 41.37536 | -75.71797 | 41° 22′ 31.29″ N | 75° 43′ 04.69″ W | Building | Pennsylvania | 699 | 439961 | 4580675 | 18T |
| Oakhill Colliery (historical) | 41.37452 | -75.71352 | 41° 22′ 28.27″ N | 75° 42′ 48.67″ W | Abandoned Mine | Pennsylvania | 804 | 440332 | 4580579 | 18T |
| Oakhill Sediment Pond Dam | 40.50176 | -76.49968 | 40° 30′ 06.33″ N | 76° 29′ 58.84″ W | Dam | Pennsylvania | 741 | 372927 | 4484530 | 18T |
| Oakhurst | 40.35813 | -78.94447 | 40° 21′ 29.26″ N | 78° 56′ 40.09″ W | Populated Place | Pennsylvania | 1257 | 674545 | 4469535 | 17T |
| Oakland | 40.44201 | -79.96255 | 40° 26′ 31.23″ N | 79° 57′ 45.17″ W | Populated Place | Pennsylvania | 1083 | 587983 | 4477334 | 17T |
| Oakland | 40.30646 | -78.88752 | 40° 18′ 23.25″ N | 78° 53′ 15.07″ W | Populated Place | Pennsylvania | 1601 | 679518 | 4463913 | 17T |
| Oakland | 40.02038 | -75.6416 | 40° 01′ 13.36″ N | 75° 38′ 29.75″ W | Populated Place | Pennsylvania | 295 | 445249 | 4430216 | 18T |
| Oakland | 40.98978 | -80.36951 | 40° 59′ 23.20″ N | 80° 22′ 10.23″ W | Populated Place | Pennsylvania | 1122 | 553033 | 4537813 | 17T |
| Oakland | 41.23645 | -80.21867 | 41° 14′ 11.21″ N | 80° 13′ 07.21″ W | Populated Place | Pennsylvania | 1119 | 565475 | 4565300 | 17T |
| Oakland | 41.95008 | -75.6049 | 41° 57′ 00.28″ N | 75° 36′ 17.64″ W | Populated Place | Pennsylvania | 945 | 449864 | 4644410 | 18T |
| Oakland Cemetery | 40.72201 | -79.53338 | 40° 43′ 19.23″ N | 79° 32′ 00.16″ W | Cemetery | Pennsylvania | 873 | 623863 | 4508932 | 17T |
| Oakland Cemetery | 40.97118 | -79.34587 | 40° 58′ 16.24″ N | 79° 20′ 45.13″ W | Cemetery | Pennsylvania | 1460 | 639178 | 4536875 | 17T |
| Oakland Cemetery | 40.6134 | -79.16865 | 40° 36′ 48.23″ N | 79° 10′ 07.13″ W | Cemetery | Pennsylvania | 1309 | 654919 | 4497454 | 17T |
| Oakland Cemetery | 40.02317 | -75.10045 | 40° 01′ 23.41″ N | 75° 06′ 01.61″ W | Cemetery | Pennsylvania | 121 | 491428 | 4430333 | 18T |
| Oakland Cemetery | 41.83312 | -79.14199 | 41° 49′ 59.23″ N | 79° 08′ 31.16″ W | Cemetery | Pennsylvania | 1329 | 654280 | 4632916 | 17T |
| Oakland Corners | 41.53534 | -79.76505 | 41° 32′ 07.22″ N | 79° 45′ 54.18″ W | Place | Pennsylvania | 1398 | 603017 | 4598923 | 17T |
| Oakland Dam | 41.94367 | -75.61705 | 41° 56′ 37.21″ N | 75° 37′ 01.38″ W | Dam | Pennsylvania | 896 | 448852 | 4643706 | 18T |
| Oakland Mills | 40.61452 | -77.31693 | 40° 36′ 52.27″ N | 77° 19′ 00.94″ W | Populated Place | Pennsylvania | 581 | 304003 | 4498547 | 18T |
| Oakland Plaza | 40.66954 | -75.3474 | 40° 40′ 10.34″ N | 75° 20′ 50.63″ W | Place | Pennsylvania | 331 | 470637 | 4502131 | 18T |
| Oakland School | 40.43229 | -79.95422 | 40° 25′ 56.24″ N | 79° 57′ 15.19″ W | School | Pennsylvania | 925 | 588702 | 4476264 | 17T |
| Oakland School | 40.99647 | -76.90996 | 40° 59′ 47.29″ N | 76° 54′ 35.85″ W | School | Pennsylvania | 551 | 339356 | 4540122 | 18T |
| Oakland School | 41.48672 | -79.80228 | 41° 29′ 12.19″ N | 79° 48′ 08.20″ W | School | Pennsylvania | 1542 | 599986 | 4593482 | 17T |
| Oakland School (historical) | 40.94784 | -78.54114 | 40° 56′ 52.22″ N | 78° 32′ 28.10″ W | School | Pennsylvania | 1214 | 706965 | 4535878 | 17T |
| Oakland School (historical) | 40.60062 | -78.16084 | 40° 36′ 02.23″ N | 78° 09′ 39.02″ W | School | Pennsylvania | 997 | 740228 | 4498298 | 17T |
| Oakland Station | 40.93757 | -79.33976 | 40° 56′ 15.25″ N | 79° 20′ 23.13″ W | Place | Pennsylvania | 997 | 639763 | 4533153 | 17T |
| Oakland Station | 41.2195 | -80.42007 | 41° 13′ 10.19″ N | 80° 25′ 12.25″ W | Place | Pennsylvania | 1135 | 548610 | 4563286 | 17T |
| Oakland Station (historical) | 41.21728 | -80.4259 | 41° 13′ 02.20″ N | 80° 25′ 33.23″ W | Place | Pennsylvania | 1132 | 548123 | 4563036 | 17T |
| Oakland Township Elementary School | 40.90256 | -79.81811 | 40° 54′ 09.21″ N | 79° 49′ 05.19″ W | School | Pennsylvania | 1365 | 599546 | 4528612 | 17T |
| Borough of Oakland | 41.95057 | -75.60955 | 41° 57′ 02.05″ N | 75° 36′ 34.37″ W | Third-Order Administrative Division | Pennsylvania | 1119 | 449479 | 4644467 | 18T |
| Township of Oakland | 40.92191 | -79.83074 | 40° 55′ 18.87″ N | 79° 49′ 50.66″ W | Third-Order Administrative Division | Pennsylvania | 1204 | 598453 | 4530746 | 17T |
| Township of Oakland | 41.95456 | -75.62425 | 41° 57′ 16.41″ N | 75° 37′ 27.30″ W | Third-Order Administrative Division | Pennsylvania | 1503 | 448264 | 4644919 | 18T |
| Township of Oakland | 41.5044 | -79.77318 | 41° 30′ 15.83″ N | 79° 46′ 23.44″ W | Third-Order Administrative Division | Pennsylvania | 1480 | 602387 | 4595479 | 17T |
| Oaklane | 40.05511 | -75.12295 | 40° 03′ 18.39″ N | 75° 07′ 22.62″ W | Populated Place | Pennsylvania | 233 | 489513 | 4433881 | 18T |
| Oaklawn Cemetery | 41.2548 | -76.12409 | 41° 15′ 17.28″ N | 76° 07′ 26.72″ W | Cemetery | Pennsylvania | 1132 | 405826 | 4567652 | 18T |
| Oakleigh | 40.25815 | -76.82053 | 40° 15′ 29.34″ N | 76° 49′ 13.90″ W | Populated Place | Pennsylvania | 400 | 345182 | 4457999 | 18T |
| Oakley | 41.73674 | -75.75436 | 41° 44′ 12.26″ N | 75° 45′ 15.69″ W | Populated Place | Pennsylvania | 919 | 437268 | 4620822 | 18T |
| Oakley Cemetery | 41.60674 | -75.82464 | 41° 36′ 24.26″ N | 75° 49′ 28.70″ W | Cemetery | Pennsylvania | 709 | 431286 | 4606442 | 18T |
| Oaklyn | 40.85842 | -76.75413 | 40° 51′ 30.31″ N | 76° 45′ 14.86″ W | Populated Place | Pennsylvania | 584 | 352156 | 4524521 | 18T |
| Oaklyn Elementary School | 40.85731 | -76.75941 | 40° 51′ 26.31″ N | 76° 45′ 33.87″ W | School | Pennsylvania | 545 | 351708 | 4524407 | 18T |
| Oakmont | 40.52173 | -79.84227 | 40° 31′ 18.22″ N | 79° 50′ 32.17″ W | Populated Place | Pennsylvania | 768 | 598068 | 4486310 | 17T |
| Oakmont | 40.25176 | -76.68969 | 40° 15′ 06.33″ N | 76° 41′ 22.88″ W | Populated Place | Pennsylvania | 584 | 356296 | 4457070 | 18T |
| Oakmont Cemetery | 41.43839 | -78.74836 | 41° 26′ 18.20″ N | 78° 44′ 54.09″ W | Cemetery | Pennsylvania | 1732 | 688112 | 4589871 | 17T |
| Oakmont Golf Course | 40.52979 | -79.82533 | 40° 31′ 47.24″ N | 79° 49′ 31.18″ W | Golf Course | Pennsylvania | 971 | 599491 | 4487224 | 17T |
| Oakmont Heights Golf Course | 40.53062 | -79.81227 | 40° 31′ 50.23″ N | 79° 48′ 44.17″ W | Golf Course | Pennsylvania | 942 | 600596 | 4487331 | 17T |
| Borough of Oakmont | 40.52004 | -79.83647 | 40° 31′ 12.14″ N | 79° 50′ 11.29″ W | Third-Order Administrative Division | Pennsylvania | 906 | 598562 | 4486129 | 17T |
| Oakmont – Verona Cemetery | 40.51939 | -79.83061 | 40° 31′ 09.80″ N | 79° 49′ 50.19″ W | Cemetery | Pennsylvania | 965 | 599059 | 4486063 | 17T |
| Oaks | 40.13177 | -75.45963 | 40° 07′ 54.37″ N | 75° 27′ 34.66″ W | Populated Place | Pennsylvania | 131 | 460841 | 4442483 | 18T |
| Oaks Dam | 40.12011 | -75.45797 | 40° 07′ 12.39″ N | 75° 27′ 28.69″ W | Dam | Pennsylvania | 102 | 460976 | 4441188 | 18T |
| Oaks Elementary School | 40.14233 | -75.46491 | 40° 08′ 32.38″ N | 75° 27′ 53.67″ W | School | Pennsylvania | 217 | 460397 | 4443658 | 18T |
| Oaks School | 41.1959 | -79.14837 | 41° 11′ 45.24″ N | 79° 08′ 54.13″ W | School | Pennsylvania | 1598 | 655266 | 4562156 | 17T |
| Oaks School | 41.23034 | -79.08948 | 41° 13′ 49.22″ N | 79° 05′ 22.12″ W | School | Pennsylvania | 1677 | 660120 | 4566087 | 17T |
| Oakton Reservoir | 40.52089 | -78.4132 | 40° 31′ 15.20″ N | 78° 24′ 47.52″ W | Reservoir | Pennsylvania | 1407 | 719133 | 4488788 | 17T |
| Oaktree Hollow | 40.14789 | -74.84044 | 40° 08′ 52.40″ N | 74° 50′ 25.58″ W | Populated Place | Pennsylvania | 39 | 513590 | 4444183 | 18T |
| Oakville | 40.1262 | -77.45526 | 40° 07′ 34.31″ N | 77° 27′ 18.93″ W | Populated Place | Pennsylvania | 574 | 290795 | 4444654 | 18T |
| Oakville | 40.34368 | -79.70199 | 40° 20′ 37.24″ N | 79° 42′ 07.16″ W | Populated Place | Pennsylvania | 1089 | 610241 | 4466711 | 17T |
| Oakville School | 40.12814 | -77.45804 | 40° 07′ 41.30″ N | 77° 27′ 28.94″ W | School | Pennsylvania | 564 | 290564 | 4444876 | 18T |
| Oakwood | 41.01062 | -80.37951 | 41° 00′ 38.23″ N | 80° 22′ 46.23″ W | Populated Place | Pennsylvania | 1020 | 552175 | 4540121 | 17T |
| Oakwood Cemetery | 41.242 | -80.49785 | 41° 14′ 31.19″ N | 80° 29′ 52.25″ W | Cemetery | Pennsylvania | 1010 | 542076 | 4565743 | 17T |
| Oakwood Cemetery | 41.81341 | -77.07219 | 41° 48′ 48.27″ N | 77° 04′ 19.88″ W | Cemetery | Pennsylvania | 1230 | 327881 | 4631135 | 18T |
| Oakwood Cemetery | 41.4795 | -79.94811 | 41° 28′ 46.20″ N | 79° 56′ 53.19″ W | Cemetery | Pennsylvania | 1280 | 587821 | 4592522 | 17T |
| Oakwood Park | 40.24065 | -76.95886 | 40° 14′ 26.34″ N | 76° 57′ 31.89″ W | Populated Place | Pennsylvania | 463 | 333375 | 4456307 | 18T |
| Oakwood School | 40.5159 | -80.0245 | 40° 30′ 57.24″ N | 80° 01′ 28.20″ W | School | Pennsylvania | 1201 | 582638 | 4485476 | 17T |
| Obelisk | 40.28816 | -75.51129 | 40° 17′ 17.37″ N | 75° 30′ 40.64″ W | Populated Place | Pennsylvania | 341 | 456540 | 4459866 | 18T |
| Obendoffers Creek | 41.36258 | -75.80769 | 41° 21′ 45.28″ N | 75° 48′ 27.68″ W | Stream | Pennsylvania | 551 | 432445 | 4579322 | 18T |
| Oak Cemetery | 40.32202 | -78.89419 | 40° 19′ 19.27″ N | 78° 53′ 39.08″ W | Cemetery | Pennsylvania | 1788 | 678910 | 4465627 | 17T |
| Oberholtzer Cemetery | 40.17426 | -76.58163 | 40° 10′ 27.33″ N | 76° 34′ 53.86″ W | Cemetery | Pennsylvania | 499 | 365333 | 4448297 | 18T |
| Oberlin | 40.24148 | -76.81469 | 40° 14′ 29.32″ N | 76° 48′ 52.88″ W | Populated Place | Pennsylvania | 574 | 345641 | 4456139 | 18T |
| Oberlin Gardens | 40.2437 | -76.82247 | 40° 14′ 37.31″ N | 76° 49′ 20.89″ W | Populated Place | Pennsylvania | 577 | 344984 | 4456399 | 18T |
| Oberson Run | 40.91092 | -75.8652 | 40° 54′ 39.31″ N | 75° 51′ 54.72″ W | Stream | Pennsylvania | 1214 | 427137 | 4529228 | 18T |
| Ober School | 40.14091 | -78.96669 | 40° 08′ 27.27″ N | 78° 58′ 00.08″ W | School | Pennsylvania | 1657 | 673211 | 4445378 | 17T |
| Obney Run | 40.54312 | -80.3234 | 40° 32′ 35.23″ N | 80° 19′ 24.24″ W | Stream | Pennsylvania | 820 | 557294 | 4488260 | 17T |
| Ocean School | 40.84895 | -78.36446 | 40° 50′ 56.22″ N | 78° 21′ 52.05″ W | School | Pennsylvania | 1762 | 722169 | 4525332 | 17T |
| Ockanickon Scout Reserve | 40.43705 | -75.08656 | 40° 26′ 13.37″ N | 75° 05′ 11.61″ W | Park | Pennsylvania | 453 | 492658 | 4476270 | 18T |
| Ocker Hill School | 40.09092 | -77.60332 | 40° 05′ 27.31″ N | 77° 36′ 11.95″ W | School | Pennsylvania | 666 | 278063 | 4441096 | 18T |
| Ocker School (historical) | 40.83675 | -77.02387 | 40° 50′ 12.30″ N | 77° 01′ 25.93″ W | School | Pennsylvania | 817 | 329364 | 4522606 | 18T |
| Octagonal Schoolhouse | 40.25483 | -75.00572 | 40° 15′ 17.38″ N | 75° 00′ 20.59″ W | School | Pennsylvania | 213 | 499513 | 4456041 | 18T |
| Octave Spring | 41.19175 | -75.4913 | 41° 11′ 30.29″ N | 75° 29′ 28.67″ W | Spring | Pennsylvania | 1883 | 458800 | 4560159 | 18T |
| Odd Fellows Cemetery | 40.79537 | -75.98159 | 40° 47′ 43.33″ N | 75° 58′ 53.72″ W | Cemetery | Pennsylvania | 932 | 417191 | 4516505 | 18T |
| Odd Fellows Orphans Home | 40.87259 | -76.73135 | 40° 52′ 21.32″ N | 76° 43′ 52.86″ W | Building | Pennsylvania | 495 | 354107 | 4526056 | 18T |
| Odell | 40.11285 | -80.10839 | 40° 06′ 46.26″ N | 80° 06′ 30.20″ W | Populated Place | Pennsylvania | 1312 | 575982 | 4440663 | 17T |
| Odenweldertown | 40.68038 | -75.23434 | 40° 40′ 49.36″ N | 75° 14′ 03.62″ W | Section Of Populated Place | Pennsylvania | 220 | 480196 | 4503303 | 18T |
| Odin | 41.69784 | -78.08639 | 41° 41′ 52.22″ N | 78° 05′ 11.00″ W | Populated Place | Pennsylvania | 1683 | 742448 | 4620331 | 17T |
| Odin Hollow | 41.69783 | -78.08715 | 41° 41′ 52.18″ N | 78° 05′ 13.73″ W | Valley | Pennsylvania | 1683 | 742385 | 4620327 | 17T |
| Ochre Mill | 41.12842 | -75.78047 | 41° 07′ 42.31″ N | 75° 46′ 49.69″ W | Populated Place | Pennsylvania | 1506 | 434488 | 4553306 | 18T |
| Odle Corners | 41.94785 | -77.33859 | 41° 56′ 52.26″ N | 77° 20′ 18.92″ W | Populated Place | Pennsylvania | 1627 | 306159 | 4646631 | 18T |
| Odle Corners | 41.92757 | -77.3422 | 41° 55′ 39.25″ N | 77° 20′ 31.92″ W | Place | Pennsylvania | 1923 | 305798 | 4644387 | 18T |
| Offutt Acres Airport | 40.98555 | -79.56854 | 40° 59′ 07.98″ N | 79° 34′ 06.74″ W | Airport | Pennsylvania | 817 | 620416 | 4538139 | 17T |
| Offutt Field | 40.30312 | -79.54004 | 40° 18′ 11.23″ N | 79° 32′ 24.14″ W | Place | Pennsylvania | 1007 | 624071 | 4462424 | 17T |
| Ogdensburg | 41.61535 | -76.97052 | 41° 36′ 55.25″ N | 76° 58′ 13.87″ W | Populated Place | Pennsylvania | 1791 | 335823 | 4608945 | 18T |
| Ogdonia | 41.41147 | -76.70551 | 41° 24′ 41.29″ N | 76° 42′ 19.83″ W | Populated Place | Pennsylvania | 853 | 357457 | 4585839 | 18T |
| Ogdonia Clubhouse | 41.40952 | -76.70329 | 41° 24′ 34.27″ N | 76° 42′ 11.84″ W | Place | Pennsylvania | 879 | 357638 | 4585619 | 18T |
| Ogdonia Creek | 41.41224 | -76.70899 | 41° 24′ 44.06″ N | 76° 42′ 32.36″ W | Stream | Pennsylvania | 827 | 357167 | 4585930 | 18T |
| Odin Hoxie Trail | 41.67423 | -78.05973 | 41° 40′ 27.22″ N | 78° 03′ 35.02″ W | Trail | Pennsylvania | 2119 | 744756 | 4617784 | 17T |
| Township of Ogle | 40.19756 | -78.7363 | 40° 11′ 51.21″ N | 78° 44′ 10.67″ W | Third-Order Administrative Division | Pennsylvania | 2428 | 692679 | 4452142 | 17T |
| Ogletown | 40.20258 | -78.70307 | 40° 12′ 09.28″ N | 78° 42′ 11.05″ W | Populated Place | Pennsylvania | 2362 | 695493 | 4452772 | 17T |
| Ogontz Center | 40.11178 | -75.10906 | 40° 06′ 42.40″ N | 75° 06′ 32.61″ W | Place | Pennsylvania | 246 | 490705 | 4440169 | 18T |
| Ohav Sholom Cemetery | 40.16867 | -79.89645 | 40° 10′ 07.21″ N | 79° 53′ 47.22″ W | Cemetery | Pennsylvania | 1184 | 593967 | 4447061 | 17T |
| Ohara Elementary School | 40.51535 | -79.86338 | 40° 30′ 55.25″ N | 79° 51′ 48.16″ W | School | Pennsylvania | 958 | 596289 | 4485579 | 17T |
| Ohey Sholem Cemetery | 41.25202 | -76.94191 | 41° 15′ 07.27″ N | 76° 56′ 30.87″ W | Cemetery | Pennsylvania | 650 | 337301 | 4568552 | 18T |
| Ohey Sholum Cemetery | 40.60146 | -77.60777 | 40° 36′ 05.25″ N | 77° 36′ 27.97″ W | Cemetery | Pennsylvania | 810 | 279355 | 4497785 | 18T |
| Ohio School | 40.90256 | -78.34307 | 40° 54′ 09.21″ N | 78° 20′ 35.05″ W | School | Pennsylvania | 1926 | 723792 | 4531339 | 17T |
| Ohio Township Elementary School | 40.54229 | -80.09367 | 40° 32′ 32.24″ N | 80° 05′ 37.21″ W | School | Pennsylvania | 1214 | 576749 | 4488343 | 17T |
| Ohio Valley General Hospital | 40.47267 | -80.09098 | 40° 28′ 21.61″ N | 80° 05′ 27.52″ W | Hospital | Pennsylvania | 1132 | 577056 | 4480617 | 17T |
| Ohio View Public Golf Course | 40.6584 | -80.38895 | 40° 39′ 30.24″ N | 80° 23′ 20.21″ W | Golf Course | Pennsylvania | 771 | 551654 | 4501016 | 17T |
| Township of Ohio | 40.54248 | -80.09258 | 40° 32′ 32.92″ N | 80° 05′ 33.28″ W | Third-Order Administrative Division | Pennsylvania | 1181 | 576841 | 4488365 | 17T |
| Ohioview | 40.65395 | -80.38784 | 40° 39′ 14.22″ N | 80° 23′ 16.22″ W | Populated Place | Pennsylvania | 787 | 551752 | 4500523 | 17T |
| Ohioville | 40.67923 | -80.49479 | 40° 40′ 45.22″ N | 80° 29′ 41.24″ W | Populated Place | Pennsylvania | 1112 | 542694 | 4503272 | 17T |
| Ohioville School | 40.67368 | -80.49451 | 40° 40′ 25.24″ N | 80° 29′ 40.23″ W | School | Pennsylvania | 1050 | 542721 | 4502656 | 17T |
| Borough of Ohioville | 40.68721 | -80.47831 | 40° 41′ 13.95″ N | 80° 28′ 41.91″ W | Third-Order Administrative Division | Pennsylvania | 1171 | 544081 | 4504166 | 17T |
| Ohl | 41.0834 | -79.16087 | 41° 05′ 00.23″ N | 79° 09′ 39.13″ W | Populated Place | Pennsylvania | 1453 | 654482 | 4549644 | 17T |
| Oil City | 40.4023 | -78.64002 | 40° 24′ 08.27″ N | 78° 38′ 24.07″ W | Populated Place | Pennsylvania | 1772 | 700269 | 4475084 | 17T |
| Oil City | 41.43395 | -79.70644 | 41° 26′ 02.22″ N | 79° 42′ 23.18″ W | Populated Place | Pennsylvania | 1030 | 608074 | 4587738 | 17T |
| City of Oil City | 41.42813 | -79.70359 | 41° 25′ 41.26″ N | 79° 42′ 12.92″ W | Third-Order Administrative Division | Pennsylvania | 988 | 608322 | 4587096 | 17T |
| Oil City Junior High School | 41.42673 | -79.68727 | 41° 25′ 36.22″ N | 79° 41′ 14.17″ W | School | Pennsylvania | 1450 | 609688 | 4586961 | 17T |
| Oil City Senior High School | 41.43034 | -79.68311 | 41° 25′ 49.22″ N | 79° 40′ 59.19″ W | School | Pennsylvania | 1483 | 610030 | 4587367 | 17T |
| Oil Creek | 41.55978 | -78.68669 | 41° 33′ 35.20″ N | 78° 41′ 12.08″ W | Stream | Pennsylvania | 1496 | 692903 | 4603485 | 17T |
| Oil Creek | 40.44065 | -76.49441 | 40° 26′ 26.33″ N | 76° 29′ 39.87″ W | Stream | Pennsylvania | 436 | 373259 | 4477739 | 18T |
| Ogle | 40.70423 | -80.10423 | 40° 42′ 15.22″ N | 80° 06′ 15.22″ W | Populated Place | Pennsylvania | 1060 | 575671 | 4506310 | 17T |
| Oil Creek | 41.43173 | -79.70922 | 41° 25′ 54.22″ N | 79° 42′ 33.19″ W | Stream | Pennsylvania | 988 | 607846 | 4587488 | 17T |
| Township of Oil Creek | 41.65912 | -79.67797 | 41° 39′ 32.83″ N | 79° 40′ 40.69″ W | Third-Order Administrative Division | Pennsylvania | 1539 | 610070 | 4612773 | 17T |
| Oil Seeps | 41.52923 | -79.66811 | 41° 31′ 45.22″ N | 79° 40′ 05.19″ W | Spring | Pennsylvania | 1293 | 611114 | 4598365 | 17T |
| Oil Valley | 41.98201 | -78.49974 | 41° 58′ 55.23″ N | 78° 29′ 59.06″ W | Valley | Pennsylvania | 1759 | 707130 | 4650802 | 17T |
| Oil Well Hollow | 41.60368 | -78.32008 | 41° 36′ 13.24″ N | 78° 19′ 12.28″ W | Valley | Pennsylvania | 1558 | 723326 | 4609243 | 17T |
| Oil Creek State Park | 41.54173 | -79.64977 | 41° 32′ 30.22″ N | 79° 38′ 59.17″ W | Park | Pennsylvania | 1437 | 612622 | 4599777 | 17T |
| Oil Well Hollow | 41.79594 | -77.37474 | 41° 47′ 45.38″ N | 77° 22′ 29.06″ W | Valley | Pennsylvania | 1470 | 302696 | 4629846 | 18T |
| Township of Oil Creek | 41.57731 | -79.61125 | 41° 34′ 38.31″ N | 79° 36′ 40.49″ W | Third-Order Administrative Division | Pennsylvania | 1709 | 615772 | 4603778 | 17T |
| Oklahoma | 40.58145 | -79.57393 | 40° 34′ 53.21″ N | 79° 34′ 26.14″ W | Populated Place | Pennsylvania | 958 | 620692 | 4493272 | 17T |
| Oklahoma Elementary School | 41.11339 | -78.73947 | 41° 06′ 48.20″ N | 78° 44′ 22.09″ W | School | Pennsylvania | 1490 | 689794 | 4553807 | 17T |
| Borough of Oklahoma | 40.58035 | -79.57536 | 40° 34′ 49.26″ N | 79° 34′ 31.29″ W | Third-Order Administrative Division | Pennsylvania | 991 | 620573 | 4493148 | 17T |
| Okome | 41.43729 | -77.41303 | 41° 26′ 14.24″ N | 77° 24′ 46.90″ W | Populated Place | Pennsylvania | 1729 | 298400 | 4590112 | 18T |
| Okome Cemetery | 41.43535 | -77.41415 | 41° 26′ 07.25″ N | 77° 24′ 50.94″ W | Cemetery | Pennsylvania | 1716 | 298300 | 4589899 | 18T |
| Olanta | 40.91673 | -78.50641 | 40° 55′ 00.22″ N | 78° 30′ 23.07″ W | Populated Place | Pennsylvania | 1316 | 709987 | 4532507 | 17T |
| Old ’56’ Trail | 40.18647 | -78.75058 | 40° 11′ 11.29″ N | 78° 45′ 02.08″ W | Trail | Pennsylvania | 2467 | 691494 | 4450880 | 17T |
| Old Baptist Cemetery | 40.30341 | -77.87527 | 40° 18′ 12.27″ N | 77° 52′ 30.97″ W | Cemetery | Pennsylvania | 604 | 255640 | 4465401 | 18T |
| Old Baptist Church | 40.17647 | -77.96472 | 40° 10′ 35.29″ N | 77° 57′ 52.99″ W | School | Pennsylvania | 1079 | 247565 | 4451559 | 18T |
| Old Blain Trail | 40.28453 | -77.48971 | 40° 17′ 04.30″ N | 77° 29′ 22.95″ W | Trail | Pennsylvania | 1545 | 288352 | 4462312 | 18T |
| Old Blain Trail | 40.36286 | -77.51638 | 40° 21′ 46.29″ N | 77° 30′ 58.96″ W | Trail | Pennsylvania | 1368 | 286332 | 4471072 | 18T |
| Old Boston | 41.29341 | -75.76825 | 41° 17′ 36.27″ N | 75° 46′ 05.69″ W | Populated Place | Pennsylvania | 991 | 435676 | 4571613 | 18T |
| Old Brownsdale Cemetery | 40.76729 | -79.97256 | 40° 46′ 02.24″ N | 79° 58′ 21.21″ W | Cemetery | Pennsylvania | 1237 | 586713 | 4513432 | 17T |
| Old Brush Creek Cemetery | 40.35174 | -79.7431 | 40° 21′ 06.26″ N | 79° 44′ 35.15″ W | Cemetery | Pennsylvania | 1109 | 606737 | 4467556 | 17T |
| Old Bulldozer Road Trail | 41.31175 | -76.26521 | 41° 18′ 42.30″ N | 76° 15′ 54.75″ W | Trail | Pennsylvania | 2162 | 394095 | 4574137 | 18T |
| Old Cabin Trail | 41.69368 | -77.84055 | 41° 41′ 37.24″ N | 77° 50′ 25.97″ W | Trail | Pennsylvania | 2218 | 263616 | 4619665 | 18T |
| Old Calvary Cemetery | 40.19508 | -79.03114 | 40° 11′ 42.28″ N | 79° 01′ 52.10″ W | Cemetery | Pennsylvania | 1900 | 667587 | 4451268 | 17T |
| Old Canaan Cemetery | 41.56647 | -75.40518 | 41° 33′ 59.29″ N | 75° 24′ 18.64″ W | Cemetery | Pennsylvania | 1463 | 466217 | 4601722 | 18T |
| Old Cedars Cemetery | 40.8898 | -77.12553 | 40° 53′ 23.28″ N | 77° 07′ 31.90″ W | Cemetery | Pennsylvania | 610 | 320936 | 4528698 | 18T |
| Old Cemetery | 40.96728 | -78.20001 | 40° 58′ 02.20″ N | 78° 12′ 00.03″ W | Cemetery | Pennsylvania | 1627 | 735613 | 4538900 | 17T |
| Old Cemetery | 41.10231 | -76.77579 | 41° 06′ 08.31″ N | 76° 46′ 32.84″ W | Cemetery | Pennsylvania | 568 | 350881 | 4551633 | 18T |
| Old Charming Forge Dam | 40.38731 | -76.17134 | 40° 23′ 14.31″ N | 76° 10′ 16.82″ W | Dam | Pennsylvania | 358 | 400580 | 4471404 | 18T |
| Old Clarendon | 41.77395 | -79.10171 | 41° 46′ 26.21″ N | 79° 06′ 06.15″ W | Populated Place | Pennsylvania | 1427 | 657770 | 4626420 | 17T |
| Old Cliffs | 40.39674 | -78.03806 | 40° 23′ 48.26″ N | 78° 02′ 17.01″ W | Cliff | Pennsylvania | 797 | 751379 | 4476005 | 17T |
| Old Colonial Village | 40.32009 | -76.82636 | 40° 19′ 12.32″ N | 76° 49′ 34.89″ W | Populated Place | Pennsylvania | 446 | 344828 | 4464885 | 18T |
| Old Colony | 40.26674 | -79.22475 | 40° 16′ 00.26″ N | 79° 13′ 29.10″ W | Place | Pennsylvania | 1339 | 650947 | 4458875 | 17T |
| Old Concord | 40.00868 | -80.33673 | 40° 00′ 31.24″ N | 80° 20′ 12.22″ W | Populated Place | Pennsylvania | 1138 | 556609 | 4428931 | 17T |
| Old Cool Spring Cemetery | 41.27589 | -80.19367 | 41° 16′ 33.20″ N | 80° 11′ 37.21″ W | Cemetery | Pennsylvania | 1266 | 567530 | 4569697 | 17T |
| Old Crabtree | 40.35007 | -79.43837 | 40° 21′ 00.25″ N | 79° 26′ 18.13″ W | Populated Place | Pennsylvania | 1109 | 632619 | 4467783 | 17T |
| Old Dam | 40.4234 | -80.33645 | 40° 25′ 24.24″ N | 80° 20′ 11.21″ W | Dam | Pennsylvania | 1070 | 556289 | 4474963 | 17T |
| Old Detweiler Dam | 40.47205 | -75.34629 | 40° 28′ 19.38″ N | 75° 20′ 46.64″ W | Dam | Pennsylvania | 509 | 470645 | 4480209 | 18T |
| Old Dutch Cemetery | 41.30006 | -79.53283 | 41° 18′ 00.21″ N | 79° 31′ 58.18″ W | Cemetery | Pennsylvania | 1562 | 622831 | 4573105 | 17T |
| Old Economy Historical Site | 40.59673 | -80.23312 | 40° 35′ 48.22″ N | 80° 13′ 59.23″ W | Park | Pennsylvania | 745 | 564887 | 4494274 | 17T |
| Old Ferry | 40.52786 | -77.13748 | 40° 31′ 40.29″ N | 77° 08′ 14.92″ W | Populated Place | Pennsylvania | 423 | 318951 | 4488542 | 18T |
| Old Ferry Station | 40.51397 | -77.1347 | 40° 30′ 50.29″ N | 77° 08′ 04.91″ W | Place | Pennsylvania | 443 | 319149 | 4486994 | 18T |
| Old Forest City Shaft | 41.64231 | -75.46685 | 41° 38′ 32.31″ N | 75° 28′ 00.65″ W | Mine | Pennsylvania | 1552 | 461120 | 4610168 | 18T |
| Old Forge | 41.37119 | -75.73491 | 41° 22′ 16.28″ N | 75° 44′ 05.67″ W | Populated Place | Pennsylvania | 741 | 438540 | 4580224 | 18T |
| Old Forge Breaker (historical) | 41.35786 | -75.73936 | 41° 21′ 28.29″ N | 75° 44′ 21.69″ W | Building | Pennsylvania | 623 | 438156 | 4578747 | 18T |
| Old Forge Cemetery | 41.36647 | -75.72908 | 41° 21′ 59.29″ N | 75° 43′ 44.68″ W | Cemetery | Pennsylvania | 732 | 439023 | 4579696 | 18T |
| Old Forge Junior Senior High School | 41.37175 | -75.74214 | 41° 22′ 18.29″ N | 75° 44′ 31.70″ W | School | Pennsylvania | 751 | 437936 | 4580291 | 18T |
| Old Forge Number 2 Shaft | 41.36036 | -75.74686 | 41° 21′ 37.29″ N | 75° 44′ 48.69″ W | Mine | Pennsylvania | 614 | 437531 | 4579030 | 18T |
| Borough of Old Forge | 41.37048 | -75.74085 | 41° 22′ 13.72″ N | 75° 44′ 27.05″ W | Third-Order Administrative Division | Pennsylvania | 755 | 438043 | 4580149 | 18T |
| Old Fort | 40.83534 | -77.67166 | 40° 50′ 07.22″ N | 77° 40′ 17.97″ W | Populated Place | Pennsylvania | 1283 | 274739 | 4523913 | 18T |
| Old Furnace | 40.79534 | -80.17006 | 40° 47′ 43.22″ N | 80° 10′ 12.21″ W | Populated Place | Pennsylvania | 945 | 570015 | 4516369 | 17T |
| Old Furnace | 41.07397 | -76.93497 | 41° 04′ 26.29″ N | 76° 56′ 05.89″ W | Populated Place | Pennsylvania | 623 | 337443 | 4548772 | 18T |
| Old Gum Tree | 40.67479 | -79.52421 | 40° 40′ 29.24″ N | 79° 31′ 27.15″ W | Populated Place | Pennsylvania | 1217 | 624726 | 4503703 | 17T |
| Old Hannastown Historical Park | 40.34451 | -79.50615 | 40° 20′ 40.23″ N | 79° 30′ 22.14″ W | Park | Pennsylvania | 1171 | 626873 | 4467066 | 17T |
| Old Hartslog Cemetery | 40.56951 | -78.0939 | 40° 34′ 10.23″ N | 78° 05′ 38.04″ W | Cemetery | Pennsylvania | 876 | 746007 | 4495029 | 17T |
| Old Hickory Post Office (historical) | 41.90896 | -76.88885 | 41° 54′ 32.25″ N | 76° 53′ 19.86″ W | Post Office | Pennsylvania | 1785 | 343344 | 4641393 | 18T |
| Old Hound Ridge | 40.7976 | -75.15184 | 40° 47′ 51.36″ N | 75° 09′ 06.62″ W | Ridge | Pennsylvania | 653 | 487191 | 4516300 | 18T |
| Old House Trail | 41.41897 | -76.69134 | 41° 25′ 08.29″ N | 76° 41′ 28.82″ W | Trail | Pennsylvania | 1660 | 358657 | 4586648 | 18T |
| Old Huckleberry Trail | 40.92895 | -78.07862 | 40° 55′ 44.22″ N | 78° 04′ 43.03″ W | Trail | Pennsylvania | 2106 | 745971 | 4534979 | 17T |
| Old Indian Trail | 40.48481 | -76.49218 | 40° 29′ 05.31″ N | 76° 29′ 31.84″ W | Trail | Pennsylvania | 712 | 373531 | 4482637 | 18T |
| Old Laury Dam | 40.7201 | -75.52074 | 40° 43′ 12.36″ N | 75° 31′ 14.66″ W | Dam | Pennsylvania | 371 | 456020 | 4507816 | 18T |
| Old Line | 40.17509 | -76.45691 | 40° 10′ 30.32″ N | 76° 27′ 24.87″ W | Place | Pennsylvania | 587 | 375954 | 4448208 | 18T |
| Old Line Post Office (historical) | 40.17509 | -76.45691 | 40° 10′ 30.32″ N | 76° 27′ 24.87″ W | Post Office | Pennsylvania | 587 | 375954 | 4448208 | 18T |
| Old Logan Cemetery | 40.20786 | -77.87777 | 40° 12′ 28.29″ N | 77° 52′ 39.97″ W | Cemetery | Pennsylvania | 774 | 255083 | 4454800 | 18T |
| Old Loggers Path | 41.52174 | -76.89635 | 41° 31′ 18.26″ N | 76° 53′ 46.85″ W | Trail | Pennsylvania | 1936 | 341774 | 4598413 | 18T |
| Township of Old Lycoming | 41.26403 | -77.07924 | 41° 15′ 50.50″ N | 77° 04′ 45.26″ W | Third-Order Administrative Division | Pennsylvania | 810 | 325827 | 4570152 | 18T |
| Old Main | 40.79645 | -77.86278 | 40° 47′ 47.22″ N | 77° 51′ 46.00″ W | School | Pennsylvania | 1191 | 258481 | 4520105 | 18T |
| Old Mars Hill Cemetery | 40.2709 | -79.71782 | 40° 16′ 15.23″ N | 79° 43′ 04.15″ W | Cemetery | Pennsylvania | 948 | 609014 | 4458613 | 17T |
| Old Meridian Monument | 40.38507 | -80.51896 | 40° 23′ 06.25″ N | 80° 31′ 08.25″ W | Place | Pennsylvania | 1135 | 540829 | 4470608 | 17T |
| Old Mill Bible Conference | 40.05677 | -75.82605 | 40° 03′ 24.37″ N | 75° 49′ 33.77″ W | Building | Pennsylvania | 610 | 429546 | 4434385 | 18T |
| Old Mill Creek Cemetery | 40.43424 | -77.93083 | 40° 26′ 03.26″ N | 77° 55′ 50.98″ W | Cemetery | Pennsylvania | 640 | 251399 | 4480081 | 18T |
| Old Mill Dam | 40.92564 | -75.92353 | 40° 55′ 32.30″ N | 75° 55′ 24.70″ W | Dam | Pennsylvania | 1565 | 422242 | 4530912 | 18T |
| Old Mill Dam | 41.22176 | -75.1099 | 41° 13′ 18.33″ N | 75° 06′ 35.63″ W | Dam | Pennsylvania | 1247 | 490788 | 4563380 | 18T |
| Old Mill Estates | 40.34233 | -75.12017 | 40° 20′ 32.38″ N | 75° 07′ 12.61″ W | Place | Pennsylvania | 338 | 489793 | 4465760 | 18T |
| Old Mill Village | 41.85924 | -75.7238 | 41° 51′ 33.26″ N | 75° 43′ 25.67″ W | Place | Pennsylvania | 1230 | 439924 | 4634401 | 18T |
| Old Mill Woods | 40.19094 | -74.91517 | 40° 11′ 27.38″ N | 74° 54′ 54.61″ W | Place | Pennsylvania | 144 | 507220 | 4448953 | 18T |
| Old Mingle Valley | 40.84122 | -77.40565 | 40° 50′ 28.39″ N | 77° 24′ 20.33″ W | Valley | Pennsylvania | 994 | 297187 | 4523916 | 18T |
| Oklahoma | 41.11395 | -78.73336 | 41° 06′ 50.22″ N | 78° 44′ 00.09″ W | Populated Place | Pennsylvania | 1444 | 690306 | 4553882 | 17T |
| Old Mountain Trail | 41.5584 | -77.4247 | 41° 33′ 30.23″ N | 77° 25′ 28.92″ W | Trail | Pennsylvania | 1959 | 297802 | 4603586 | 18T |
| Old Orchard | 40.65788 | -75.26212 | 40° 39′ 28.36″ N | 75° 15′ 43.63″ W | Populated Place | Pennsylvania | 433 | 477841 | 4500812 | 18T |
| Old Orchard Farm | 40.31455 | -75.11212 | 40° 18′ 52.37″ N | 75° 06′ 43.63″ W | Farm | Pennsylvania | 384 | 490473 | 4462676 | 18T |
| Old Pennsylvania Canal | 40.42896 | -79.23253 | 40° 25′ 44.25″ N | 79° 13′ 57.10″ W | Canal | Pennsylvania | 974 | 649926 | 4476869 | 17T |
| Old Plains Airport | 40.38826 | -75.4403 | 40° 23′ 17.73″ N | 75° 26′ 25.07″ W | Airport | Pennsylvania | 643 | 462629 | 4470944 | 18T |
| Old Port | 40.52508 | -77.39138 | 40° 31′ 30.28″ N | 77° 23′ 28.96″ W | Populated Place | Pennsylvania | 440 | 297435 | 4488786 | 18T |
| Old Port School | 40.52286 | -77.38943 | 40° 31′ 22.29″ N | 77° 23′ 21.94″ W | School | Pennsylvania | 495 | 297593 | 4488535 | 18T |
| Old Quaker Cemetery (historical) | 40.26896 | -79.7431 | 40° 16′ 08.25″ N | 79° 44′ 35.15″ W | Cemetery | Pennsylvania | 1040 | 606867 | 4458367 | 17T |
| Old Ramp Trail | 40.21509 | -77.53332 | 40° 12′ 54.32″ N | 77° 31′ 59.95″ W | Trail | Pennsylvania | 1519 | 284424 | 4454708 | 18T |
| Old Raystown Dam | 40.41841 | -78.02473 | 40° 25′ 06.27″ N | 78° 01′ 29.02″ W | Dam | Pennsylvania | 797 | 752429 | 4478449 | 17T |
| Old Rock Hill Tunnel (historical) | 41.33925 | -75.78603 | 41° 20′ 21.29″ N | 75° 47′ 09.70″ W | Tunnel | Pennsylvania | 617 | 434233 | 4576716 | 18T |
| Old Round Top | 41.24506 | -78.35752 | 41° 14′ 42.21″ N | 78° 21′ 27.07″ W | Mountain | Pennsylvania | 2356 | 721421 | 4569329 | 17T |
| Old Saint Josephs Cemetery | 40.97259 | -76.61357 | 40° 58′ 21.32″ N | 76° 36′ 48.85″ W | Cemetery | Pennsylvania | 741 | 364237 | 4536967 | 18T |
| Old Salem Cemetery | 40.72896 | -77.55416 | 40° 43′ 44.25″ N | 77° 33′ 14.97″ W | Cemetery | Pennsylvania | 814 | 284302 | 4511807 | 18T |
| Old Sandy Cemetery | 41.3626 | -79.89819 | 41° 21′ 45.36″ N | 79° 53′ 53.48″ W | Cemetery | Pennsylvania | 1102 | 592154 | 4579595 | 17T |
| Old Schracktown Cemetery | 41.02201 | -77.33331 | 41° 01′ 19.23″ N | 77° 19′ 59.91″ W | Cemetery | Pennsylvania | 1201 | 303822 | 4543822 | 18T |
| Old Seceder Cemetery | 41.17562 | -79.34338 | 41° 10′ 32.23″ N | 79° 20′ 36.16″ W | Cemetery | Pennsylvania | 1480 | 638956 | 4559575 | 17T |
| Old Shade Furnace | 40.15174 | -78.82724 | 40° 09′ 06.26″ N | 78° 49′ 38.06″ W | Populated Place | Pennsylvania | 2087 | 685062 | 4446862 | 17T |
| Old Sheffield | 41.67006 | -79.02393 | 41° 40′ 12.21″ N | 79° 01′ 26.14″ W | Populated Place | Pennsylvania | 1355 | 664499 | 4615030 | 17T |
| Old Side | 41.06145 | -77.94056 | 41° 03′ 41.22″ N | 77° 56′ 26.01″ W | Populated Place | Pennsylvania | 1473 | 252909 | 4549745 | 18T |
| Old Silver Brook | 40.87453 | -76.00687 | 40° 52′ 28.30″ N | 76° 00′ 24.73″ W | Place | Pennsylvania | 1575 | 415159 | 4525316 | 18T |
| Old Sow Island | 40.63982 | -75.19295 | 40° 38′ 23.35″ N | 75° 11′ 34.61″ W | Island | Pennsylvania | 151 | 483684 | 4498792 | 18T |
| Old Stanton | 40.22729 | -79.60587 | 40° 13′ 38.24″ N | 79° 36′ 21.13″ W | Populated Place | Pennsylvania | 1017 | 618608 | 4453916 | 17T |
| Old Star School | 41.06839 | -78.03695 | 41° 04′ 06.20″ N | 78° 02′ 13.02″ W | School | Pennsylvania | 1575 | 748954 | 4550580 | 17T |
| Old State Road Campground | 41.86728 | -78.95421 | 41° 52′ 02.20″ N | 78° 57′ 15.15″ W | Camp | Pennsylvania | 1417 | 669783 | 4637064 | 17T |
| Old State Road Trail | 40.25592 | -77.67888 | 40° 15′ 21.31″ N | 77° 40′ 43.96″ W | Trail | Pennsylvania | 1631 | 272173 | 4459605 | 18T |
| Old Stone Church Cemetery | 40.39591 | -78.15167 | 40° 23′ 45.27″ N | 78° 09′ 06.01″ W | Cemetery | Pennsylvania | 925 | 741738 | 4475596 | 17T |
| Old Stone House | 41.01145 | -80.00228 | 41° 00′ 41.22″ N | 80° 00′ 08.20″ W | Building | Pennsylvania | 1227 | 583895 | 4540507 | 17T |
| Old Sugar Loaf | 40.96231 | -75.96576 | 40° 57′ 44.31″ N | 75° 57′ 56.73″ W | Populated Place | Pennsylvania | 1709 | 418731 | 4535022 | 18T |
| Old Supply Trail | 41.7809 | -77.48748 | 41° 46′ 51.24″ N | 77° 29′ 14.92″ W | Trail | Pennsylvania | 2228 | 293280 | 4628441 | 18T |
| Old Tar Trail | 40.94229 | -77.35498 | 40° 56′ 32.24″ N | 77° 21′ 17.92″ W | Trail | Pennsylvania | 2175 | 301761 | 4535021 | 18T |
| Old Toboggan Run Rocks | 40.06676 | -76.88803 | 40° 04′ 00.33″ N | 76° 53′ 16.90″ W | Cliff | Pennsylvania | 551 | 338990 | 4436874 | 18T |
| Old Town Run | 40.14037 | -77.13415 | 40° 08′ 25.33″ N | 77° 08′ 02.94″ W | Stream | Pennsylvania | 495 | 318195 | 4445520 | 18T |
| Old Mountain House | 40.01897 | -78.1889 | 40° 01′ 08.29″ N | 78° 11′ 20.04″ W | Populated Place | Pennsylvania | 1739 | 739905 | 4433648 | 17T |
| Old Washington Cemetery | 40.73201 | -79.13448 | 40° 43′ 55.23″ N | 79° 08′ 04.12″ W | Cemetery | Pennsylvania | 1339 | 657531 | 4510682 | 17T |
| Old White Church Cemetery | 40.45508 | -77.91583 | 40° 27′ 18.28″ N | 77° 54′ 56.98″ W | Cemetery | Pennsylvania | 686 | 252748 | 4482352 | 18T |
| Old Womans Gap | 40.26063 | -77.97111 | 40° 15′ 38.26″ N | 77° 58′ 15.99″ W | Gap | Pennsylvania | 1444 | 247334 | 4460921 | 18T |
| Old Womans Run | 40.25619 | -77.91166 | 40° 15′ 22.28″ N | 77° 54′ 41.97″ W | Stream | Pennsylvania | 623 | 252375 | 4460260 | 18T |
| Old Union Cemetery | 40.74371 | -75.62435 | 40° 44′ 37.35″ N | 75° 37′ 27.66″ W | Cemetery | Pennsylvania | 528 | 447288 | 4510494 | 18T |
| Old Zionsville | 40.48649 | -75.52018 | 40° 29′ 11.36″ N | 75° 31′ 12.64″ W | Populated Place | Pennsylvania | 774 | 455914 | 4481885 | 18T |
| Old Zollarsville | 40.01118 | -80.07561 | 40° 00′ 40.24″ N | 80° 04′ 32.19″ W | Populated Place | Pennsylvania | 889 | 578893 | 4429407 | 17T |
| Olde Colonial Greene | 40.31844 | -75.14962 | 40° 19′ 06.38″ N | 75° 08′ 58.63″ W | Place | Pennsylvania | 351 | 487288 | 4463112 | 18T |
| Olde Hickory Shopping Center | 40.08787 | -76.28246 | 40° 05′ 16.33″ N | 76° 16′ 56.85″ W | Mall | Pennsylvania | 341 | 390668 | 4438298 | 18T |
| Olds Club | 41.75229 | -78.47224 | 41° 45′ 08.24″ N | 78° 28′ 20.06″ W | Place | Pennsylvania | 2297 | 710160 | 4625362 | 17T |
| Oldtown Run | 40.43035 | -78.35835 | 40° 25′ 49.25″ N | 78° 21′ 30.06″ W | Stream | Pennsylvania | 932 | 724081 | 4478875 | 17T |
| Old York Road Country Club | 40.18483 | -75.20434 | 40° 11′ 05.38″ N | 75° 12′ 15.62″ W | Resort | Pennsylvania | 322 | 482604 | 4448291 | 18T |
| Ole Bull Castle (historical) | 41.53646 | -77.7186 | 41° 32′ 11.25″ N | 77° 43′ 06.95″ W | Place | Pennsylvania | 1352 | 273215 | 4601881 | 18T |
| Ole Bull Run | 41.53812 | -77.71693 | 41° 32′ 17.23″ N | 77° 43′ 00.94″ W | Stream | Pennsylvania | 1227 | 273360 | 4602061 | 18T |
| Oldtown School (historical) | 41.4834 | -79.42643 | 41° 29′ 00.24″ N | 79° 25′ 35.14″ W | School | Pennsylvania | 1263 | 631370 | 4593616 | 17T |
| Ole Bull State Park | 41.53618 | -77.71221 | 41° 32′ 10.24″ N | 77° 42′ 43.95″ W | Park | Pennsylvania | 1460 | 273747 | 4601833 | 18T |
| Ole Bull Trail | 41.54618 | -77.73332 | 41° 32′ 46.24″ N | 77° 43′ 59.95″ W | Trail | Pennsylvania | 1749 | 272021 | 4602999 | 18T |
| Oleona | 41.55618 | -77.70165 | 41° 33′ 22.24″ N | 77° 42′ 05.94″ W | Populated Place | Pennsylvania | 1332 | 274697 | 4604026 | 18T |
| Oleopolis | 41.45562 | -79.61727 | 41° 27′ 20.23″ N | 79° 37′ 02.17″ W | Populated Place | Pennsylvania | 1129 | 615486 | 4590259 | 17T |
| Oley | 40.38759 | -75.78964 | 40° 23′ 15.32″ N | 75° 47′ 22.70″ W | Populated Place | Pennsylvania | 443 | 432978 | 4471076 | 18T |
| Oley Camp Trail | 40.98174 | -77.23136 | 40° 58′ 54.26″ N | 77° 13′ 52.89″ W | Trail | Pennsylvania | 1667 | 312280 | 4539127 | 18T |
| Oley Creek | 41.05536 | -75.92992 | 41° 03′ 19.29″ N | 75° 55′ 47.71″ W | Stream | Pennsylvania | 1040 | 421857 | 4545319 | 18T |
| Oley Furnace | 40.40843 | -75.78853 | 40° 24′ 30.34″ N | 75° 47′ 18.70″ W | Populated Place | Pennsylvania | 558 | 433093 | 4473389 | 18T |
| Oley Line | 40.34398 | -75.80436 | 40° 20′ 38.32″ N | 75° 48′ 15.69″ W | Populated Place | Pennsylvania | 308 | 431685 | 4466247 | 18T |
| Oley Post Office (historical) | 40.38759 | -75.78936 | 40° 23′ 15.32″ N | 75° 47′ 21.69″ W | Post Office | Pennsylvania | 449 | 433002 | 4471076 | 18T |
| Oley School | 40.39759 | -75.76075 | 40° 23′ 51.32″ N | 75° 45′ 38.70″ W | School | Pennsylvania | 377 | 435440 | 4472165 | 18T |
| Oley Valley | 40.3337 | -75.73797 | 40° 20′ 01.32″ N | 75° 44′ 16.69″ W | Valley | Pennsylvania | 269 | 437314 | 4465057 | 18T |
| Ole Bull State Park | 41.5359 | -77.71527 | 41° 32′ 09.23″ N | 77° 42′ 54.97″ W | Park | Pennsylvania | 1293 | 273490 | 4601810 | 18T |
| Township of Oley | 40.37038 | -75.77225 | 40° 22′ 13.36″ N | 75° 46′ 20.09″ W | Third-Order Administrative Division | Pennsylvania | 361 | 434438 | 4469153 | 18T |
| Olimpio Park | 40.29118 | -79.50059 | 40° 17′ 28.24″ N | 79° 30′ 02.12″ W | Park | Pennsylvania | 1243 | 627446 | 4461154 | 17T |
| Olive Branch School | 40.56397 | -77.35777 | 40° 33′ 50.29″ N | 77° 21′ 27.97″ W | School | Pennsylvania | 459 | 300398 | 4493026 | 18T |
| Olive Draft | 41.67785 | -77.53773 | 41° 40′ 40.25″ N | 77° 32′ 15.82″ W | Valley | Pennsylvania | 1726 | 288766 | 4617120 | 18T |
| Oley Valley Park | 40.39426 | -75.79797 | 40° 23′ 39.33″ N | 75° 47′ 52.69″ W | Park | Pennsylvania | 446 | 432278 | 4471823 | 18T |
| Oliveburg | 40.9909 | -79.02642 | 40° 59′ 27.24″ N | 79° 01′ 35.11″ W | Populated Place | Pennsylvania | 1598 | 666008 | 4539622 | 17T |
| Olivedale | 41.76228 | -78.73586 | 41° 45′ 44.20″ N | 78° 44′ 09.09″ W | Place | Pennsylvania | 1539 | 688212 | 4625860 | 17T |
| Oliver Heckman Elementary School | 40.17733 | -74.91378 | 40° 10′ 38.38″ N | 74° 54′ 49.60″ W | School | Pennsylvania | 220 | 507340 | 4447442 | 18T |
| Oliver Manor | 41.43506 | -79.67866 | 41° 26′ 06.21″ N | 79° 40′ 43.17″ W | Populated Place | Pennsylvania | 1526 | 610394 | 4587897 | 17T |
| Oliver Mills | 41.21703 | -75.84186 | 41° 13′ 01.30″ N | 75° 50′ 30.69″ W | Populated Place | Pennsylvania | 1444 | 429430 | 4563191 | 18T |
| Oliver Run | 40.80617 | -78.06001 | 40° 48′ 22.21″ N | 78° 03′ 36.03″ W | Stream | Pennsylvania | 1060 | 747996 | 4521400 | 17T |
| Township of Oliver | 41.02124 | -79.07312 | 41° 01′ 16.46″ N | 79° 04′ 23.23″ W | Third-Order Administrative Division | Pennsylvania | 1696 | 662005 | 4542903 | 17T |
| Township of Oliver | 40.51348 | -77.73885 | 40° 30′ 48.52″ N | 77° 44′ 19.85″ W | Third-Order Administrative Division | Pennsylvania | 1007 | 267959 | 4488355 | 18T |
| Township of Oliver | 40.48724 | -77.14296 | 40° 29′ 14.06″ N | 77° 08′ 34.65″ W | Third-Order Administrative Division | Pennsylvania | 479 | 318377 | 4484044 | 18T |
| Olivet | 40.58673 | -79.41143 | 40° 35′ 12.22″ N | 79° 24′ 41.14″ W | Populated Place | Pennsylvania | 1089 | 634434 | 4494094 | 17T |
| Olmstead (historical) | 41.92812 | -78.94921 | 41° 55′ 41.23″ N | 78° 56′ 57.15″ W | Abandoned Populated Place | Pennsylvania | 1890 | 670036 | 4643829 | 17T |
| Olmstead Plaza | 40.20009 | -76.75636 | 40° 12′ 00.32″ N | 76° 45′ 22.89″ W | Place | Pennsylvania | 302 | 350512 | 4451444 | 18T |
| Olmsted | 41.75062 | -78.06556 | 41° 45′ 02.23″ N | 78° 03′ 56.01″ W | Populated Place | Pennsylvania | 1644 | 743982 | 4626250 | 17T |
| Olmsville | 41.65674 | -77.4022 | 41° 39′ 24.26″ N | 77° 24′ 07.91″ W | Populated Place | Pennsylvania | 1647 | 299982 | 4614453 | 18T |
| Olney | 40.04122 | -75.12379 | 40° 02′ 28.39″ N | 75° 07′ 25.64″ W | Populated Place | Pennsylvania | 161 | 489439 | 4432339 | 18T |
| Olney High School | 40.02845 | -75.12379 | 40° 01′ 42.41″ N | 75° 07′ 25.64″ W | School | Pennsylvania | 128 | 489437 | 4430922 | 18T |
| Olney Recreation Center | 40.04271 | -75.11703 | 40° 02′ 33.75″ N | 75° 07′ 01.30″ W | Building | Pennsylvania | 135 | 490016 | 4432504 | 18T |
| Olney School | 40.03095 | -75.12073 | 40° 01′ 51.41″ N | 75° 07′ 14.62″ W | School | Pennsylvania | 125 | 489699 | 4431199 | 18T |
| Olney Station | 40.03345 | -75.12351 | 40° 02′ 00.42″ N | 75° 07′ 24.63″ W | Building | Pennsylvania | 135 | 489462 | 4431477 | 18T |
| Olney Wyoming High School | 40.02178 | -75.12129 | 40° 01′ 18.40″ N | 75° 07′ 16.64″ W | School | Pennsylvania | 108 | 489650 | 4430181 | 18T |
| Olson Dam | 41.24704 | -74.93628 | 41° 14′ 49.34″ N | 74° 56′ 10.60″ W | Dam | Pennsylvania | 1112 | 505338 | 4566183 | 18T |
| Olwen Heights | 41.35897 | -75.54908 | 41° 21′ 32.29″ N | 75° 32′ 56.68″ W | Populated Place | Pennsylvania | 1667 | 454072 | 4578752 | 18T |
| Olympia Park | 40.4309 | -80.01811 | 40° 25′ 51.24″ N | 80° 01′ 05.19″ W | Park | Pennsylvania | 1033 | 583285 | 4476047 | 17T |
| Olympus Dam | 41.08508 | -75.83631 | 41° 05′ 06.28″ N | 75° 50′ 10.71″ W | Dam | Pennsylvania | 1178 | 429755 | 4548538 | 18T |
| Olympus Pond | 41.08642 | -75.83899 | 41° 05′ 11.11″ N | 75° 50′ 20.36″ W | Reservoir | Pennsylvania | 1165 | 429531 | 4548689 | 18T |
| Olyphant | 41.46841 | -75.60297 | 41° 28′ 06.27″ N | 75° 36′ 10.69″ W | Populated Place | Pennsylvania | 781 | 449649 | 4590932 | 18T |
| Olyphant High School | 41.47091 | -75.60102 | 41° 28′ 15.27″ N | 75° 36′ 03.67″ W | School | Pennsylvania | 791 | 449814 | 4591208 | 18T |
| Olyphant Number Three Dam | 41.47212 | -75.52856 | 41° 28′ 19.63″ N | 75° 31′ 42.81″ W | Dam | Pennsylvania | 1463 | 455865 | 4591303 | 18T |
| Olyphant Number Two Dam | 41.46508 | -75.53463 | 41° 27′ 54.28″ N | 75° 32′ 04.66″ W | Dam | Pennsylvania | 1312 | 455354 | 4590525 | 18T |
| Olyphant Number Two Shaft | 41.46091 | -75.6063 | 41° 27′ 39.27″ N | 75° 36′ 22.68″ W | Mine | Pennsylvania | 810 | 449365 | 4590101 | 18T |
| Olyphant Reservoir Number 1 | 41.46392 | -75.53777 | 41° 27′ 50.11″ N | 75° 32′ 15.97″ W | Reservoir | Pennsylvania | 1234 | 455091 | 4590398 | 18T |
| Olyphant Reservoir Number 2 | 41.46698 | -75.53387 | 41° 28′ 01.12″ N | 75° 32′ 01.93″ W | Reservoir | Pennsylvania | 1319 | 455419 | 4590735 | 18T |
| Olyphant Reservoir Number 3 | 41.47276 | -75.52751 | 41° 28′ 21.93″ N | 75° 31′ 39.03″ W | Reservoir | Pennsylvania | 1463 | 455954 | 4591374 | 18T |
| Borough of Olyphant | 41.45063 | -75.57526 | 41° 27′ 02.26″ N | 75° 34′ 30.93″ W | Third-Order Administrative Division | Pennsylvania | 1181 | 451950 | 4588942 | 18T |
| Onondaga Falls | 41.33119 | -76.27382 | 41° 19′ 52.28″ N | 76° 16′ 25.75″ W | Overfalls | Pennsylvania | 2136 | 393406 | 4576305 | 18T |
| Onawa Lake | 41.17037 | -75.27824 | 41° 10′ 13.33″ N | 75° 16′ 41.66″ W | Reservoir | Pennsylvania | 1250 | 476659 | 4557707 | 18T |
| Onberg | 40.66701 | -79.05503 | 40° 40′ 01.23″ N | 79° 03′ 18.10″ W | Populated Place | Pennsylvania | 1165 | 664400 | 4503611 | 17T |
| One Montgomery Plaza Heliport | 40.11678 | -75.33296 | 40° 07′ 00.40″ N | 75° 19′ 58.65″ W | Heliport | Pennsylvania | 115 | 471627 | 4440771 | 18T |
| One Oxford Center | 40.43785 | -79.99811 | 40° 26′ 16.25″ N | 79° 59′ 53.19″ W | Building | Pennsylvania | 820 | 584972 | 4476838 | 17T |
| Oneida | 40.92173 | -79.87978 | 40° 55′ 18.22″ N | 79° 52′ 47.20″ W | Populated Place | Pennsylvania | 1033 | 594324 | 4530672 | 17T |
| Oneida | 40.90759 | -76.12549 | 40° 54′ 27.32″ N | 76° 07′ 31.76″ W | Populated Place | Pennsylvania | 1693 | 405211 | 4529108 | 18T |
| Oneida Falls | 41.32675 | -76.28716 | 41° 19′ 36.29″ N | 76° 17′ 13.77″ W | Overfalls | Pennsylvania | 2188 | 392283 | 4575829 | 18T |
| Oneida Junction | 40.93675 | -75.98715 | 40° 56′ 12.30″ N | 75° 59′ 13.73″ W | Place | Pennsylvania | 1749 | 416899 | 4532204 | 18T |
| Oneida Mine Station | 40.47674 | -79.03725 | 40° 28′ 36.26″ N | 79° 02′ 14.10″ W | Place | Pennsylvania | 1345 | 666373 | 4482523 | 17T |
| Oneida Mining Company Dam | 40.01008 | -79.00808 | 40° 00′ 36.28″ N | 79° 00′ 29.08″ W | Dam | Pennsylvania | 2346 | 670010 | 4430776 | 17T |
| Township of Oneida | 40.54534 | -77.969 | 40° 32′ 43.22″ N | 77° 58′ 08.39″ W | Third-Order Administrative Division | Pennsylvania | 679 | 248576 | 4492524 | 18T |
| Onemile Run | 40.91561 | -78.20112 | 40° 54′ 56.19″ N | 78° 12′ 04.03″ W | Stream | Pennsylvania | 1427 | 735703 | 4533161 | 17T |
| Oliver School | 41.22036 | -75.79992 | 41° 13′ 13.29″ N | 75° 47′ 59.71″ W | School | Pennsylvania | 1699 | 432949 | 4563528 | 18T |
| Onion Run | 41.32062 | -77.93277 | 41° 19′ 14.23″ N | 77° 55′ 57.97″ W | Stream | Pennsylvania | 1260 | 254534 | 4578499 | 18T |
| Oniontown | 41.34672 | -80.34034 | 41° 20′ 48.19″ N | 80° 20′ 25.22″ W | Populated Place | Pennsylvania | 1148 | 555186 | 4577457 | 17T |
| Ono | 40.40287 | -76.53469 | 40° 24′ 10.33″ N | 76° 32′ 04.88″ W | Populated Place | Pennsylvania | 518 | 369769 | 4473604 | 18T |
| Ono Volunteer Fire Company Station 12 | 40.40372 | -76.53086 | 40° 24′ 13.39″ N | 76° 31′ 51.09″ W | Building | Pennsylvania | 489 | 370096 | 4473692 | 18T |
| Ono Post Office | 40.40259 | -76.53719 | 40° 24′ 09.32″ N | 76° 32′ 13.88″ W | Post Office | Pennsylvania | 512 | 369557 | 4473576 | 18T |
| Onspaugh Corners | 41.64728 | -80.20867 | 41° 38′ 50.20″ N | 80° 12′ 31.21″ W | Populated Place | Pennsylvania | 1211 | 565896 | 4610917 | 17T |
| Ontario | 40.10341 | -80.0745 | 40° 06′ 12.27″ N | 80° 04′ 28.20″ W | Populated Place | Pennsylvania | 1060 | 578881 | 4439645 | 17T |
| Ontario Colliery (historical) | 41.33008 | -75.74741 | 41° 19′ 48.28″ N | 75° 44′ 50.67″ W | Abandoned Mine | Pennsylvania | 709 | 437456 | 4575669 | 18T |
| Ontelaunee | 40.41704 | -75.94438 | 40° 25′ 01.34″ N | 75° 56′ 39.76″ W | Populated Place | Pennsylvania | 259 | 419879 | 4474474 | 18T |
| Ontelaunee Creek | 40.6262 | -75.85492 | 40° 37′ 34.31″ N | 75° 51′ 17.71″ W | Stream | Pennsylvania | 404 | 427694 | 4497614 | 18T |
| Onnalinda | 40.30952 | -78.68002 | 40° 18′ 34.27″ N | 78° 40′ 48.07″ W | Populated Place | Pennsylvania | 2477 | 697144 | 4464694 | 17T |
| Ontelaunee Park | 40.68065 | -75.76436 | 40° 40′ 50.33″ N | 75° 45′ 51.69″ W | Park | Pennsylvania | 535 | 435406 | 4503588 | 18T |
| Township of Ontelaunee | 40.44403 | -75.93958 | 40° 26′ 38.50″ N | 75° 56′ 22.48″ W | Third-Order Administrative Division | Pennsylvania | 354 | 420319 | 4477465 | 18T |
| Open Brook | 41.87812 | -78.36529 | 41° 52′ 41.23″ N | 78° 21′ 55.04″ W | Stream | Pennsylvania | 1440 | 718624 | 4639600 | 17T |
| Ontelaunee Lake | 40.45567 | -75.91231 | 40° 27′ 20.41″ N | 75° 54′ 44.31″ W | Reservoir | Pennsylvania | 299 | 422645 | 4478733 | 18T |
| Open Woods Pond | 41.5547 | -75.14151 | 41° 33′ 16.91″ N | 75° 08′ 29.43″ W | Reservoir | Pennsylvania | 1207 | 488199 | 4600346 | 18T |
| Open Woods Pond Dam | 41.55342 | -75.13795 | 41° 33′ 12.31″ N | 75° 08′ 16.62″ W | Dam | Pennsylvania | 1227 | 488495 | 4600204 | 18T |
| Opossum Brook | 41.42063 | -76.21521 | 41° 25′ 14.26″ N | 76° 12′ 54.75″ W | Stream | Pennsylvania | 1591 | 398450 | 4586165 | 18T |
| Open Run | 41.40758 | -76.30716 | 41° 24′ 27.28″ N | 76° 18′ 25.77″ W | Stream | Pennsylvania | 2037 | 390744 | 4584828 | 18T |
| Opossum Creek | 40.22092 | -77.26998 | 40° 13′ 15.31″ N | 77° 16′ 11.92″ W | Stream | Pennsylvania | 436 | 306852 | 4454749 | 18T |
| Opossum Hill School | 40.22648 | -77.29887 | 40° 13′ 35.32″ N | 77° 17′ 55.93″ W | School | Pennsylvania | 607 | 304410 | 4455429 | 18T |
| Opossum Hollow | 40.22768 | -80.44131 | 40° 13′ 39.64″ N | 80° 26′ 28.71″ W | Valley | Pennsylvania | 1014 | 547530 | 4453177 | 17T |
| Opossum Lake Dam | 40.22675 | -77.27971 | 40° 13′ 36.30″ N | 77° 16′ 46.95″ W | Dam | Pennsylvania | 525 | 306041 | 4455417 | 18T |
| Opossum Run | 40.02174 | -79.60282 | 40° 01′ 18.26″ N | 79° 36′ 10.15″ W | Stream | Pennsylvania | 869 | 619227 | 4431105 | 17T |
| Opossum Lake | 40.22509 | -77.27471 | 40° 13′ 30.32″ N | 77° 16′ 28.95″ W | Reservoir | Pennsylvania | 459 | 306461 | 4455222 | 18T |
| Opossum Run | 41.53535 | -77.25192 | 41° 32′ 07.26″ N | 77° 15′ 06.91″ W | Stream | Pennsylvania | 1280 | 312144 | 4600637 | 18T |
| Opossum Run | 40.15313 | -80.13172 | 40° 09′ 11.26″ N | 80° 07′ 54.19″ W | Stream | Pennsylvania | 1027 | 573950 | 4445114 | 17T |
| Opp | 41.17842 | -76.6694 | 41° 10′ 42.31″ N | 76° 40′ 09.83″ W | Place | Pennsylvania | 650 | 359977 | 4559906 | 18T |
| Oppenheimer Run | 40.10147 | -78.52668 | 40° 06′ 05.29″ N | 78° 31′ 36.04″ W | Stream | Pennsylvania | 1066 | 710820 | 4441951 | 17T |
| Oppenheimer | 40.12369 | -78.47113 | 40° 07′ 25.28″ N | 78° 28′ 16.06″ W | Populated Place | Pennsylvania | 1234 | 715485 | 4444551 | 17T |
| Oppermans Corner | 40.07844 | -75.63409 | 40° 04′ 42.38″ N | 75° 38′ 02.72″ W | Populated Place | Pennsylvania | 358 | 445936 | 4436655 | 18T |
| Option | 40.34646 | -79.97338 | 40° 20′ 47.25″ N | 79° 58′ 24.16″ W | Populated Place | Pennsylvania | 1079 | 587188 | 4466717 | 17T |
| Option Post Office (historical) | 40.34646 | -79.97338 | 40° 20′ 47.25″ N | 79° 58′ 24.16″ W | Post Office | Pennsylvania | 1079 | 587188 | 4466717 | 17T |
| Orange | 41.38869 | -75.89353 | 41° 23′ 19.28″ N | 75° 53′ 36.70″ W | Populated Place | Pennsylvania | 1152 | 425295 | 4582291 | 18T |
| Orange Hill | 41.93924 | -76.47994 | 41° 56′ 21.26″ N | 76° 28′ 47.78″ W | Mountain | Pennsylvania | 1591 | 377316 | 4644089 | 18T |
| Orange Hill Cemetery | 41.91563 | -76.4905 | 41° 54′ 56.26″ N | 76° 29′ 25.79″ W | Cemetery | Pennsylvania | 1381 | 376395 | 4641482 | 18T |
| Township of Orange | 41.0857 | -76.41537 | 41° 05′ 08.52″ N | 76° 24′ 55.33″ W | Third-Order Administrative Division | Pennsylvania | 568 | 381117 | 4549235 | 18T |
| Orangeville | 41.07814 | -76.41439 | 41° 04′ 41.30″ N | 76° 24′ 51.80″ W | Populated Place | Pennsylvania | 614 | 381186 | 4548395 | 18T |
| Orangeville Cemetery | 41.34422 | -80.51785 | 41° 20′ 39.19″ N | 80° 31′ 04.25″ W | Cemetery | Pennsylvania | 922 | 540337 | 4577082 | 17T |
| Borough of Orangeville | 41.0768 | -76.41153 | 41° 04′ 36.47″ N | 76° 24′ 41.50″ W | Third-Order Administrative Division | Pennsylvania | 689 | 381424 | 4548242 | 18T |
| Orbisonia | 40.24286 | -77.89305 | 40° 14′ 34.29″ N | 77° 53′ 34.98″ W | Populated Place | Pennsylvania | 653 | 253909 | 4458728 | 18T |
| Orbisonia Cemetery | 40.24425 | -77.89111 | 40° 14′ 39.30″ N | 77° 53′ 27.99″ W | Cemetery | Pennsylvania | 705 | 254079 | 4458877 | 18T |
| Borough of Orbisonia | 40.24292 | -77.89301 | 40° 14′ 34.51″ N | 77° 53′ 34.83″ W | Third-Order Administrative Division | Pennsylvania | 650 | 253913 | 4458735 | 18T |
| Orchard | 41.25703 | -76.09548 | 41° 15′ 25.30″ N | 76° 05′ 43.72″ W | Place | Pennsylvania | 1010 | 408226 | 4567869 | 18T |
| Orchard Beach | 42.24145 | -79.82866 | 42° 14′ 29.22″ N | 79° 49′ 43.17″ W | Populated Place | Pennsylvania | 656 | 596640 | 4677248 | 17T |
| Orchard Courts | 40.18344 | -75.5213 | 40° 11′ 00.38″ N | 75° 31′ 16.67″ W | Populated Place | Pennsylvania | 184 | 455621 | 4448247 | 18T |
| Orchard Crest | 40.21426 | -76.98609 | 40° 12′ 51.33″ N | 76° 59′ 09.92″ W | Populated Place | Pennsylvania | 449 | 330993 | 4453430 | 18T |
| Orchard Hill | 40.20011 | -75.03628 | 40° 12′ 00.39″ N | 75° 02′ 10.60″ W | Place | Pennsylvania | 358 | 496912 | 4449968 | 18T |
| Orchard Hill | 40.14702 | -79.52837 | 40° 08′ 49.27″ N | 79° 31′ 42.13″ W | Populated Place | Pennsylvania | 1142 | 625350 | 4445113 | 17T |
| Orchard Hill Farms | 40.24677 | -74.85294 | 40° 14′ 48.37″ N | 74° 51′ 10.58″ W | Farm | Pennsylvania | 118 | 512507 | 4455157 | 18T |
| Orchard Hills | 40.58618 | -79.53143 | 40° 35′ 10.24″ N | 79° 31′ 53.14″ W | Populated Place | Pennsylvania | 1142 | 624280 | 4493857 | 17T |
| Orchard Hills Shopping Center | 40.85453 | -76.81552 | 40° 51′ 16.30″ N | 76° 48′ 55.87″ W | Mall | Pennsylvania | 489 | 346973 | 4524194 | 18T |
| Orchard Spring | 41.70369 | -77.4696 | 41° 42′ 13.28″ N | 77° 28′ 10.55″ W | Spring | Pennsylvania | 1759 | 294520 | 4619825 | 18T |
| Orchard Terrace | 40.17009 | -76.98025 | 40° 10′ 12.32″ N | 76° 58′ 48.89″ W | Populated Place | Pennsylvania | 561 | 331380 | 4448515 | 18T |
| Orchard Valley | 40.25511 | -75.10073 | 40° 15′ 18.39″ N | 75° 06′ 02.62″ W | Place | Pennsylvania | 315 | 491433 | 4456077 | 18T |
| Orchard View Airport | 40.63065 | -75.82047 | 40° 37′ 50.34″ N | 75° 49′ 13.69″ W | Airport | Pennsylvania | 561 | 430613 | 4498080 | 18T |
| Orcutt Creek | 41.9898 | -76.61634 | 41° 59′ 23.28″ N | 76° 36′ 58.82″ W | Stream | Pennsylvania | 787 | 366115 | 4649907 | 18T |
| Opperman Pass | 41.37091 | -76.25605 | 41° 22′ 15.27″ N | 76° 15′ 21.78″ W | Gap | Pennsylvania | 2244 | 394957 | 4580693 | 18T |
| Ore Hill | 40.29369 | -78.40085 | 40° 17′ 37.28″ N | 78° 24′ 03.06″ W | Populated Place | Pennsylvania | 1450 | 720921 | 4463596 | 17T |
| Ore Hill Ridge | 40.29841 | -78.40724 | 40° 17′ 54.27″ N | 78° 24′ 26.06″ W | Ridge | Pennsylvania | 1516 | 720363 | 4464104 | 17T |
| Ore Mine Hill | 40.08674 | -79.50893 | 40° 05′ 12.26″ N | 79° 30′ 32.14″ W | Mountain | Pennsylvania | 1631 | 627118 | 4438449 | 17T |
| Ore Ridge | 40.73175 | -77.20304 | 40° 43′ 54.29″ N | 77° 12′ 10.94″ W | Ridge | Pennsylvania | 1112 | 313964 | 4511313 | 18T |
| Ore Run | 41.35452 | -76.34383 | 41° 21′ 16.27″ N | 76° 20′ 37.78″ W | Stream | Pennsylvania | 1923 | 387588 | 4578984 | 18T |
| Orebank Ridge | 40.49452 | -77.7711 | 40° 29′ 40.27″ N | 77° 46′ 15.96″ W | Ridge | Pennsylvania | 1043 | 265160 | 4486335 | 18T |
| Orebed Creek | 42.00007 | -77.93917 | 42° 00′ 00.25″ N | 77° 56′ 21.01″ W | Stream | Pennsylvania | 1978 | 256573 | 4653963 | 18T |
| Ore Bank School | 40.58924 | -77.72944 | 40° 35′ 21.26″ N | 77° 43′ 45.98″ W | School | Pennsylvania | 902 | 269017 | 4496741 | 18T |
| Oregon Camp | 40.05036 | -78.1489 | 40° 03′ 01.29″ N | 78° 08′ 56.03″ W | Camp | Pennsylvania | 1237 | 743207 | 4437242 | 17T |
| Oregon Corners | 41.71839 | -79.99256 | 41° 43′ 06.20″ N | 79° 59′ 33.21″ W | Place | Pennsylvania | 1558 | 583801 | 4619000 | 17T |
| Oregon Creek | 40.07147 | -78.14056 | 40° 04′ 17.29″ N | 78° 08′ 26.01″ W | Stream | Pennsylvania | 1063 | 743843 | 4439608 | 17T |
| Orefield | 40.63482 | -75.58435 | 40° 38′ 05.35″ N | 75° 35′ 03.66″ W | Populated Place | Pennsylvania | 472 | 450584 | 4498384 | 18T |
| Oregon Hill Airport (historical) | 41.53063 | -77.28859 | 41° 31′ 50.26″ N | 77° 17′ 18.92″ W | Abandoned Airfield | Pennsylvania | 1670 | 309071 | 4600193 | 18T |
| Oregon Hollow | 40.07424 | -79.91168 | 40° 04′ 27.26″ N | 79° 54′ 42.04″ W | Valley | Pennsylvania | 827 | 592798 | 4436564 | 17T |
| Oregon Hill | 41.52424 | -77.30692 | 41° 31′ 27.26″ N | 77° 18′ 24.91″ W | Populated Place | Pennsylvania | 1729 | 307523 | 4599524 | 18T |
| Oreland | 40.11844 | -75.17768 | 40° 07′ 06.38″ N | 75° 10′ 39.64″ W | Populated Place | Pennsylvania | 272 | 484859 | 4440918 | 18T |
| Oreland Station | 40.11817 | -75.16934 | 40° 07′ 05.41″ N | 75° 10′ 09.62″ W | Building | Pennsylvania | 292 | 485570 | 4440886 | 18T |
| Oreminea | 40.4048 | -78.25529 | 40° 24′ 17.28″ N | 78° 15′ 19.04″ W | Populated Place | Pennsylvania | 1388 | 732912 | 4476305 | 17T |
| Oreville | 40.51871 | -75.68991 | 40° 31′ 07.35″ N | 75° 41′ 23.67″ W | Populated Place | Pennsylvania | 479 | 441557 | 4485560 | 18T |
| Oreville | 40.0676 | -76.34357 | 40° 04′ 03.35″ N | 76° 20′ 36.85″ W | Place | Pennsylvania | 318 | 385424 | 4436125 | 18T |
| Oreville School | 40.4851 | -75.69964 | 40° 29′ 06.36″ N | 75° 41′ 58.70″ W | School | Pennsylvania | 860 | 440703 | 4481835 | 18T |
| Oriental | 40.63342 | -77.00609 | 40° 38′ 00.31″ N | 77° 00′ 21.92″ W | Populated Place | Pennsylvania | 489 | 330348 | 4499999 | 18T |
| Oriole | 41.14119 | -77.20997 | 41° 08′ 28.28″ N | 77° 12′ 35.89″ W | Populated Place | Pennsylvania | 738 | 314529 | 4556784 | 18T |
| Orlando Lake | 40.17663 | -79.98926 | 40° 10′ 35.86″ N | 79° 59′ 21.33″ W | Reservoir | Pennsylvania | 1040 | 586054 | 4447851 | 17T |
| Ormrod | 40.67121 | -75.55491 | 40° 40′ 16.35″ N | 75° 33′ 17.67″ W | Populated Place | Pennsylvania | 427 | 453099 | 4502407 | 18T |
| Ormsby | 41.80895 | -78.54169 | 41° 48′ 32.22″ N | 78° 32′ 30.08″ W | Populated Place | Pennsylvania | 2208 | 704206 | 4631485 | 17T |
| Ormsby Oil Field | 41.80756 | -78.55225 | 41° 48′ 27.21″ N | 78° 33′ 08.10″ W | Oilfield | Pennsylvania | 2136 | 703333 | 4631306 | 17T |
| Ormsbys Summit | 41.8109 | -78.5503 | 41° 48′ 39.23″ N | 78° 33′ 01.07″ W | Mountain | Pennsylvania | 2178 | 703484 | 4631682 | 17T |
| Orners Corner | 40.5584 | -78.39057 | 40° 33′ 30.23″ N | 78° 23′ 26.05″ W | Populated Place | Pennsylvania | 1217 | 720927 | 4493009 | 17T |
| Orr Hill School (historical) | 41.15173 | -79.2231 | 41° 09′ 06.22″ N | 79° 13′ 23.16″ W | School | Pennsylvania | 1578 | 649100 | 4557122 | 17T |
| Orr School | 41.3495 | -80.20784 | 41° 20′ 58.19″ N | 80° 12′ 28.22″ W | School | Pennsylvania | 1365 | 566268 | 4577858 | 17T |
| Orris School | 41.58839 | -80.13423 | 41° 35′ 18.20″ N | 80° 08′ 03.22″ W | School | Pennsylvania | 1106 | 572161 | 4604439 | 17T |
| Orrstown | 40.0587 | -77.60999 | 40° 03′ 31.32″ N | 77° 36′ 35.96″ W | Populated Place | Pennsylvania | 682 | 277389 | 4437536 | 18T |
| Orrstown Elementary School | 40.0612 | -77.60388 | 40° 03′ 40.31″ N | 77° 36′ 13.96″ W | School | Pennsylvania | 669 | 277918 | 4437798 | 18T |
| Borough of Orrstown | 40.05879 | -77.60815 | 40° 03′ 31.64″ N | 77° 36′ 29.33″ W | Third-Order Administrative Division | Pennsylvania | 682 | 277546 | 4437542 | 18T |
| Orson | 41.81369 | -75.44796 | 41° 48′ 49.28″ N | 75° 26′ 52.65″ W | Populated Place | Pennsylvania | 2011 | 462792 | 4629187 | 18T |
| Orson Cemetery | 41.82592 | -75.44435 | 41° 49′ 33.31″ N | 75° 26′ 39.66″ W | Cemetery | Pennsylvania | 2037 | 463099 | 4630544 | 18T |
| Orson Pond | 41.81258 | -75.44356 | 41° 48′ 45.28″ N | 75° 26′ 36.81″ W | Reservoir | Pennsylvania | 2005 | 463157 | 4629062 | 18T |
| Orson Pond Dam | 41.81342 | -75.44629 | 41° 48′ 48.31″ N | 75° 26′ 46.64″ W | Dam | Pennsylvania | 2018 | 462931 | 4629157 | 18T |
| Orvilla | 40.26649 | -75.29212 | 40° 15′ 59.36″ N | 75° 17′ 31.63″ W | Populated Place | Pennsylvania | 335 | 475161 | 4457376 | 18T |
| Orville | 40.54979 | -79.78394 | 40° 32′ 59.24″ N | 79° 47′ 02.18″ W | Populated Place | Pennsylvania | 965 | 602966 | 4489491 | 17T |
| Orviston | 41.10645 | -77.75222 | 41° 06′ 23.22″ N | 77° 45′ 07.99″ W | Populated Place | Pennsylvania | 856 | 268894 | 4554224 | 18T |
| Orwell | 41.88396 | -76.27716 | 41° 53′ 02.25″ N | 76° 16′ 37.77″ W | Populated Place | Pennsylvania | 1496 | 394035 | 4637681 | 18T |
| Orwell Cemetery | 41.87619 | -76.27855 | 41° 52′ 34.28″ N | 76° 16′ 42.77″ W | Cemetery | Pennsylvania | 1427 | 393907 | 4636820 | 18T |
| Orwell Valley Cemetery | 41.88091 | -76.30438 | 41° 52′ 51.27″ N | 76° 18′ 15.76″ W | Cemetery | Pennsylvania | 919 | 391772 | 4637376 | 18T |
| Township of Orwell | 41.87338 | -76.27067 | 41° 52′ 24.16″ N | 76° 16′ 14.41″ W | Third-Order Administrative Division | Pennsylvania | 1407 | 394556 | 4636498 | 18T |
| Orwigsburg | 40.65481 | -76.10077 | 40° 39′ 17.31″ N | 76° 06′ 02.77″ W | Populated Place | Pennsylvania | 636 | 406941 | 4501021 | 18T |
| Orwigsburg Reservoir | 40.6747 | -76.11636 | 40° 40′ 28.92″ N | 76° 06′ 58.89″ W | Reservoir | Pennsylvania | 863 | 405651 | 4503245 | 18T |
| Borough of Orwigsburg | 40.65417 | -76.10399 | 40° 39′ 15.01″ N | 76° 06′ 14.36″ W | Third-Order Administrative Division | Pennsylvania | 607 | 406668 | 4500953 | 18T |
| Orwin | 40.58398 | -76.53274 | 40° 35′ 02.32″ N | 76° 31′ 57.86″ W | Populated Place | Pennsylvania | 804 | 370284 | 4493705 | 18T |
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