| Williamsport to Rowlett (Texas) | 1,215.75 mi (1,956.56 km) |
| Williamsport to Roy (Utah) | 1,807.46 mi (2,908.83 km) |
| Williamsport to Royal Kunia (Hawaii) | 4,802.15 mi (7,728.31 km) |
| Williamsport to Royal Oak (Michigan) | 326.59 mi (525.60 km) |
| Williamsport to Royal Palm Beach (Florida) | 1,020.61 mi (1,642.51 km) |
| Williamsport to Royse City (Texas) | 1,202.27 mi (1,934.87 km) |
| Williamsport to Ruskin (Florida) | 983.52 mi (1,582.82 km) |
| Williamsport to Russellville (Alabama) | 745.02 mi (1,198.99 km) |
| Williamsport to Russellville (Arkansas) | 963.84 mi (1,551.15 km) |
| Williamsport to Ruston (Louisiana) | 1,048.60 mi (1,687.56 km) |
| Williamsport to Rutherford (New Jersey) | 155.50 mi (250.26 km) |
| Williamsport to Rutland (Vermont) | 263.85 mi (424.63 km) |
| Williamsport to Sabana Grande (Puerto Rico) | 1,707.48 mi (2,747.93 km) |
| Williamsport to Sachse (Texas) | 1,215.02 mi (1,955.39 km) |
| Williamsport to Saco (Maine) | 371.07 mi (597.17 km) |
