| Williamsport to River Grove (Illinois) | 559.84 mi (900.97 km) |
| Williamsport to River Ridge (Louisiana) | 1,072.70 mi (1,726.35 km) |
| Williamsport to Riverbank (California) | 2,329.04 mi (3,748.23 km) |
| Williamsport to Riverdale (Georgia) | 666.56 mi (1,072.73 km) |
| Williamsport to Riverdale (Illinois) | 549.36 mi (884.11 km) |
| Williamsport to Riverside (California) | 2,245.31 mi (3,613.47 km) |
| Williamsport to Riverside (Ohio) | 385.40 mi (620.25 km) |
| Williamsport to Riverton (Utah) | 1,812.92 mi (2,917.61 km) |
| Williamsport to Riverton (Wyoming) | 1,602.97 mi (2,579.74 km) |
| Williamsport to Riverview (Florida) | 973.76 mi (1,567.11 km) |
| Williamsport to Riverview (Michigan) | 324.02 mi (521.45 km) |
| Williamsport to Riviera Beach (Florida) | 1,013.83 mi (1,631.61 km) |
| Williamsport to Riviera Beach (Maryland) | 146.06 mi (235.06 km) |
| Williamsport to Roanoke (Virginia) | 315.13 mi (507.15 km) |
| Williamsport to Roanoke Rapids (North Carolina) | 332.91 mi (535.77 km) |
