| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Roadside | city | Pennsylvania | United States | 39.76 | -77.53 | 830 | |
| Roaring Branch | city | Pennsylvania | United States | 41.57 | -76.95 | 1669 | |
| Roaring Brook | city | Pennsylvania | United States | 41.26 | -76.12 | 1033 | |
| Roaring Creek | city | Pennsylvania | United States | 40.93 | -76.52 | 830 | |
| Roaring Spring | city | Pennsylvania | United States | 40.34 | -78.39 | 1669 | |
| Robb | city | Pennsylvania | United States | 40.39 | -79.04 | 1145 | |
| Robbins | city | Pennsylvania | United States | 40.30 | -79.78 | 872 | |
| Robert Bruce | city | Pennsylvania | United States | 40.18 | -75.12 | 216 | |
| Roberts | city | Pennsylvania | United States | 39.98 | -79.09 | 2509 | |
| Robertsdale | city | Pennsylvania | United States | 40.18 | -78.12 | 1824 | |
| Robertsville | city | Pennsylvania | United States | 40.96 | -78.90 | 1669 | |
| Robeson Crossing | city | Pennsylvania | United States | 40.28 | -75.85 | 226 | |
| Robeson Extension | city | Pennsylvania | United States | 40.47 | -78.20 | 898 | |
| Robesonia | city | Pennsylvania | United States | 40.35 | -76.13 | 830 | |
| Robin Heights | city | Pennsylvania | United States | 39.90 | -76.69 | 830 | |
| Robin Hood Lakes | city | Pennsylvania | United States | 40.97 | -75.53 | 1177 | |
| Robindale (historical) | city | Pennsylvania | United States | 40.40 | -79.04 | 1128 | |
| Robindale Heights | city | Pennsylvania | United States | 40.43 | -79.02 | 1145 | |
| Robinson | city | Pennsylvania | United States | 40.40 | -79.14 | 1138 | |
| Robinson | city | Pennsylvania | United States | 41.03 | -80.49 | 830 | |
| Robinson | city | Pennsylvania | United States | 40.45 | -80.34 | 1154 | |
| Robinsonville | city | Pennsylvania | United States | 39.82 | -78.34 | 1026 | |
| Roboda | city | Pennsylvania | United States | 40.18 | -75.54 | 127 | |
| Rocherty | city | Pennsylvania | United States | 40.30 | -76.45 | 830 | |
| Rochester | city | Pennsylvania | United States | 40.70 | -80.29 | 830 | |
| Rochester Mills | city | Pennsylvania | United States | 40.82 | -78.99 | 1696 | |
| Rochford Estates | city | Pennsylvania | United States | 39.88 | -75.47 | 298 | |
| Rock Falls Park | city | Pennsylvania | United States | 41.04 | -80.03 | 1164 | |
| Rock Glen | city | Pennsylvania | United States | 40.97 | -76.18 | 1043 | |
| Rock Glen Junction | city | Pennsylvania | United States | 40.96 | -76.18 | 990 | |
| Rock Hill | city | Pennsylvania | United States | 40.41 | -75.30 | 830 | |
| Rock Point | city | Pennsylvania | United States | 40.86 | -80.31 | 830 | |
| Rockdale | city | Pennsylvania | United States | 39.89 | -75.44 | 298 | |
| Rockdale | city | Pennsylvania | United States | 40.11 | -74.88 | 26 | |
| Rockdale | city | Pennsylvania | United States | 41.18 | -78.84 | 1669 | |
| Rockdale | city | Pennsylvania | United States | 39.86 | -77.81 | 830 | |
| Rockdale | city | Pennsylvania | United States | 40.72 | -75.56 | 830 | |
| Rockdale | city | Pennsylvania | United States | 41.29 | -75.61 | 1669 | |
| Rockdale | city | Pennsylvania | United States | 40.78 | -79.88 | 1099 | |
| Rockdale Acres | city | Pennsylvania | United States | 41.77 | -79.92 | 1223 | |
| Rockey | city | Pennsylvania | United States | 39.90 | -76.52 | 830 | |
| Rockford Heights | city | Pennsylvania | United States | 40.34 | -76.77 | 400 | |
| Rockhill | city | Pennsylvania | United States | 40.24 | -77.90 | 830 | |
| Rockhill | city | Pennsylvania | United States | 39.96 | -76.36 | 298 | |
| Rockhill Station | city | Pennsylvania | United States | 40.41 | -75.31 | 830 | |
| Rockland | city | Pennsylvania | United States | 41.23 | -79.75 | 1082 | |
| Rockland | city | Pennsylvania | United States | 41.28 | -79.75 | 1669 | |
| Rockland Village I and II | city | Pennsylvania | United States | 39.98 | -75.55 | 400 | |
| Rockledge | city | Pennsylvania | United States | 40.08 | -75.09 | 200 | |
| Rocklyn | city | Pennsylvania | United States | 40.08 | -75.85 | 830 | |
| Rockmere | city | Pennsylvania | United States | 41.43 | -79.66 | 1135 | |
| Rockport | city | Pennsylvania | United States | 40.97 | -75.76 | 1128 | |
| Rocks Works | city | Pennsylvania | United States | 39.84 | -79.90 | 1007 | |
| Rocks Works | city | Pennsylvania | United States | 39.94 | -79.79 | 1197 | |
| Rockspring | city | Pennsylvania | United States | 40.71 | -77.97 | 1669 | |
| Rockton | city | Pennsylvania | United States | 41.08 | -78.65 | 1692 | |
| Rocktown | city | Pennsylvania | United States | 40.17 | -79.59 | 1099 | |
| Rockville | city | Pennsylvania | United States | 39.93 | -78.67 | 1669 | |
| Rockville | city | Pennsylvania | United States | 40.08 | -75.86 | 830 | |
| Rockville | city | Pennsylvania | United States | 40.34 | -76.90 | 380 | |
| Rockville | city | Pennsylvania | United States | 40.36 | -78.78 | 1669 | |
| Rockville | city | Pennsylvania | United States | 40.61 | -77.77 | 898 | |
| Rockville | city | Pennsylvania | United States | 40.73 | -79.44 | 1190 | |
| Rockville | city | Pennsylvania | United States | 40.78 | -75.50 | 830 | |
| Rockville | city | Pennsylvania | United States | 40.94 | -77.46 | 1669 | |
| Rockville | city | Pennsylvania | United States | 41.04 | -79.38 | 1669 | |
| Rockville | city | Pennsylvania | United States | 40.58 | -77.41 | 830 | |
| Rockville | city | Pennsylvania | United States | 39.78 | -76.77 | 839 | |
| Rockville | city | Pennsylvania | United States | 41.00 | -80.17 | 1669 | |
| Rockwood | city | Pennsylvania | United States | 39.92 | -79.15 | 1797 | |
| Rockwood | city | Pennsylvania | United States | 40.38 | -76.45 | 830 | |
| Rockwood Station | city | Pennsylvania | United States | 39.91 | -79.16 | 1994 | |
| Rocky Forest | city | Pennsylvania | United States | 41.63 | -76.20 | 830 | |
| Rocky Grove | city | Pennsylvania | United States | 41.41 | -79.83 | 997 | |
| Rocky Hill | city | Pennsylvania | United States | 39.98 | -75.54 | 396 | |
| Rocky Ridge | city | Pennsylvania | United States | 40.40 | -75.32 | 830 | |
| Rocky Valley | city | Pennsylvania | United States | 40.50 | -75.37 | 830 | |
| Rodi | city | Pennsylvania | United States | 40.47 | -79.83 | 1131 | |
| Rodman | city | Pennsylvania | United States | 40.34 | -78.40 | 1669 | |
| Rodney | city | Pennsylvania | United States | 40.15 | -79.42 | 1797 | |
| Roeders | city | Pennsylvania | United States | 40.57 | -76.20 | 830 | |
| Roedersville | city | Pennsylvania | United States | 40.59 | -76.32 | 830 | |
| Roelofs | city | Pennsylvania | United States | 40.22 | -74.86 | 137 | |
| Roemersville | city | Pennsylvania | United States | 41.28 | -75.25 | 1669 | |
| Rogers Mill | city | Pennsylvania | United States | 39.99 | -79.41 | 1669 | |
| Rogers Stop | city | Pennsylvania | United States | 40.13 | -79.92 | 1220 | |
| Rogerstown | city | Pennsylvania | United States | 40.00 | -79.63 | 1099 | |
| Rogersville | city | Pennsylvania | United States | 39.88 | -80.27 | 997 | |
| Rogertown | city | Pennsylvania | United States | 41.82 | -79.10 | 1204 | |
| Rohrerstown | city | Pennsylvania | United States | 40.05 | -76.36 | 337 | |
| Rohrsburg | city | Pennsylvania | United States | 41.13 | -76.42 | 830 | |
| Roler | city | Pennsylvania | United States | 40.01 | -76.92 | 396 | |
| Rolfe | city | Pennsylvania | United States | 41.50 | -78.69 | 1669 | |
| Rolling Hill Acres | city | Pennsylvania | United States | 40.53 | -75.17 | 830 | |
| Rolling Meadow Estates | city | Pennsylvania | United States | 40.24 | -75.33 | 298 | |
| Rolling Stone | city | Pennsylvania | United States | 41.06 | -78.15 | 1095 | |
| Rollinwood | city | Pennsylvania | United States | 39.96 | -75.53 | 377 | |
| Romania | city | Pennsylvania | United States | 39.79 | -79.04 | 2047 | |
| Romansville | city | Pennsylvania | United States | 39.95 | -75.74 | 400 | |
| Rome | city | Pennsylvania | United States | 41.86 | -76.34 | 905 | |
| Romney | city | Pennsylvania | United States | 40.05 | -79.40 | 1732 | |
| Romola | city | Pennsylvania | United States | 41.06 | -77.69 | 830 | |
| Ronco | city | Pennsylvania | United States | 39.87 | -79.92 | 1076 | |
| Ronks | city | Pennsylvania | United States | 40.03 | -76.17 | 393 | |
| Ronnie Park | city | Pennsylvania | United States | 40.05 | -75.50 | 830 | |
| Rook | city | Pennsylvania | United States | 40.41 | -80.07 | 931 | |
| Roots | city | Pennsylvania | United States | 40.61 | -78.36 | 1227 | |
| Rootville | city | Pennsylvania | United States | 41.77 | -79.87 | 1669 | |
| Rosas | city | Pennsylvania | United States | 41.44 | -74.81 | 830 | |
| Roscoe | city | Pennsylvania | United States | 40.08 | -79.87 | 830 | |
| Rose Garden | city | Pennsylvania | United States | 40.15 | -77.01 | 830 | |
| Rose Gardens | city | Pennsylvania | United States | 41.41 | -79.67 | 1669 | |
| Rose Glen | city | Pennsylvania | United States | 40.40 | -77.08 | 830 | |
| Rose Point | city | Pennsylvania | United States | 40.97 | -80.19 | 1197 | |
| Rose Run Estates | city | Pennsylvania | United States | 39.92 | -75.45 | 298 | |
| Rose Tree | city | Pennsylvania | United States | 39.93 | -75.39 | 298 | |
| Rose Tree Estates | city | Pennsylvania | United States | 39.93 | -75.38 | 200 | |
| Rose Valley | city | Pennsylvania | United States | 39.90 | -75.38 | 196 | |
| Rose Valley | city | Pennsylvania | United States | 40.17 | -75.21 | 298 | |
| Roseann | city | Pennsylvania | United States | 40.71 | -77.59 | 830 | |
| Roseboro | city | Pennsylvania | United States | 40.86 | -78.97 | 1669 | |
| Rosebud | city | Pennsylvania | United States | 40.75 | -78.54 | 1669 | |
| Roseburg | city | Pennsylvania | United States | 40.43 | -77.34 | 830 | |
| Roseburg | city | Pennsylvania | United States | 40.44 | -77.33 | 830 | |
| Rosecliff | city | Pennsylvania | United States | 40.28 | -75.39 | 298 | |
| Rosecliff | city | Pennsylvania | United States | 40.29 | -75.74 | 298 | |
| Rosecrans | city | Pennsylvania | United States | 41.06 | -77.31 | 1669 | |
| Rosedale | city | Pennsylvania | United States | 40.47 | -75.39 | 830 | |
| Rosedale | city | Pennsylvania | United States | 40.49 | -79.84 | 1099 | |
| Rosedale | city | Pennsylvania | United States | 39.85 | -75.66 | 321 | |
| Rosegarden | city | Pennsylvania | United States | 40.15 | -77.01 | 830 | |
| Roseglen | city | Pennsylvania | United States | 40.05 | -75.26 | 98 | |
| Rosemont | city | Pennsylvania | United States | 40.03 | -75.32 | 396 | |
| Rosemont Terrace | city | Pennsylvania | United States | 40.63 | -75.41 | 298 | |
| Rosemore Gardens | city | Pennsylvania | United States | 40.11 | -75.15 | 298 | |
| Rosemount | city | Pennsylvania | United States | 39.95 | -76.70 | 830 | |
| Rosengrant | city | Pennsylvania | United States | 41.51 | -75.99 | 1145 | |
| Roses | city | Pennsylvania | United States | 41.45 | -79.16 | 1669 | |
| Roseto | city | Pennsylvania | United States | 40.88 | -75.21 | 830 | |
| Roseville | city | Pennsylvania | United States | 40.06 | -76.92 | 830 | |
| Roseville | city | Pennsylvania | United States | 40.08 | -76.29 | 341 | |
| Roseville | city | Pennsylvania | United States | 41.18 | -79.15 | 1669 | |
| Roseville | city | Pennsylvania | United States | 41.87 | -76.96 | 1669 | |
| Rosewood Park | city | Pennsylvania | United States | 40.21 | -75.11 | 298 | |
| Roslyn | city | Pennsylvania | United States | 40.13 | -75.14 | 285 | |
| Roslyn Heights | city | Pennsylvania | United States | 40.10 | -75.18 | 357 | |
| Ross Common | city | Pennsylvania | United States | 40.87 | -75.31 | 994 | |
| Rossford | city | Pennsylvania | United States | 40.75 | -79.54 | 892 | |
| Rossiter | city | Pennsylvania | United States | 40.89 | -78.93 | 1669 | |
| Rossland | city | Pennsylvania | United States | 40.87 | -75.40 | 830 | |
| Rosslyn Farms | city | Pennsylvania | United States | 40.43 | -80.09 | 1000 | |
| Rossmere | city | Pennsylvania | United States | 40.06 | -76.30 | 324 | |
| Rossmoyne | city | Pennsylvania | United States | 40.82 | -79.13 | 1207 | |
| Rossmoyne | city | Pennsylvania | United States | 40.20 | -76.94 | 830 | |
| Rossmoyne Manor | city | Pennsylvania | United States | 40.21 | -76.95 | 830 | |
| Rosston | city | Pennsylvania | United States | 40.75 | -79.55 | 882 | |
| Rote | city | Pennsylvania | United States | 41.08 | -77.42 | 918 | |
| Rothruck | city | Pennsylvania | United States | 39.99 | -79.76 | 997 | |
| Rothsville | city | Pennsylvania | United States | 40.15 | -76.25 | 830 | |
| Rough and Ready | city | Pennsylvania | United States | 40.68 | -76.63 | 830 | |
| Roulette | city | Pennsylvania | United States | 41.78 | -78.15 | 1669 | |
| Round Head | city | Pennsylvania | United States | 40.51 | -76.31 | 918 | |
| Round Knob | city | Pennsylvania | United States | 40.15 | -78.19 | 1765 | |
| Round Top | city | Pennsylvania | United States | 39.80 | -77.23 | 830 | |
| Round Top Manor | city | Pennsylvania | United States | 40.20 | -76.70 | 830 | |
| Roundelay | city | Pennsylvania | United States | 39.89 | -75.59 | 269 | |
| Roundtop | city | Pennsylvania | United States | 40.66 | -77.32 | 1669 | |
| Roundtop | city | Pennsylvania | United States | 41.71 | -77.25 | 1784 | |
| Roundtown | city | Pennsylvania | United States | 40.02 | -76.76 | 830 | |
| Rouseville | city | Pennsylvania | United States | 41.47 | -79.69 | 1072 | |
| Rouzerville | city | Pennsylvania | United States | 39.74 | -77.53 | 830 | |
| Rowena | city | Pennsylvania | United States | 40.12 | -78.92 | 1978 | |
| Rowenna | city | Pennsylvania | United States | 40.07 | -76.61 | 298 | |
| Rowes Run | city | Pennsylvania | United States | 40.01 | -79.82 | 908 | |
| Rowland | city | Pennsylvania | United States | 41.47 | -75.04 | 830 | |
| Rowtown | city | Pennsylvania | United States | 40.76 | -80.47 | 997 | |
| Roxborough | city | Pennsylvania | United States | 40.04 | -75.22 | 282 | |
| Roxbury | city | Pennsylvania | United States | 39.95 | -78.91 | 2509 | |
| Roxbury | city | Pennsylvania | United States | 40.11 | -77.66 | 830 | |
| Roxbury | city | Pennsylvania | United States | 40.20 | -77.05 | 830 | |
| Roxbury | city | Pennsylvania | United States | 40.30 | -78.92 | 1207 | |
| Royal | city | Pennsylvania | United States | 41.67 | -75.62 | 1099 | |
| Royalton | city | Pennsylvania | United States | 40.19 | -76.73 | 275 | |
| Royer | city | Pennsylvania | United States | 40.42 | -78.27 | 1102 | |
| Royersford | city | Pennsylvania | United States | 40.18 | -75.54 | 134 | |
| Roystone | city | Pennsylvania | United States | 41.72 | -78.97 | 1709 | |
| Roytown | city | Pennsylvania | United States | 40.10 | -79.13 | 1998 |