| Williamsport to Rosemead (California) | 2,277.21 mi (3,664.82 km) |
| Williamsport to Rosemont (California) | 2,331.22 mi (3,751.73 km) |
| Williamsport to Rosemount (Minnesota) | 843.91 mi (1,358.13 km) |
| Williamsport to Rosenberg (Texas) | 1,326.35 mi (2,134.56 km) |
| Williamsport to Roseville (California) | 2,324.45 mi (3,740.83 km) |
| Williamsport to Roseville (Michigan) | 315.84 mi (508.30 km) |
| Williamsport to Roseville (Minnesota) | 851.88 mi (1,370.97 km) |
| Williamsport to Rossmoor (California) | 2,285.29 mi (3,677.83 km) |
| Williamsport to Rossville (Maryland) | 133.39 mi (214.67 km) |
| Williamsport to Roswell (Georgia) | 637.98 mi (1,026.72 km) |
| Williamsport to Roswell (New Mexico) | 1,597.54 mi (2,571.00 km) |
| Williamsport to Round Lake (Illinois) | 574.86 mi (925.15 km) |
| Williamsport to Round Lake Beach (Illinois) | 573.77 mi (923.39 km) |
| Williamsport to Round Rock (Texas) | 1,366.11 mi (2,198.54 km) |
| Williamsport to Rowland Heights (California) | 2,270.11 mi (3,653.39 km) |
