| Williamsport to Robbinsdale (Minnesota) | 860.57 mi (1,384.95 km) |
| Williamsport to Robertsville (New Jersey) | 156.39 mi (251.69 km) |
| Williamsport to Robinson (Texas) | 1,301.61 mi (2,094.74 km) |
| Williamsport to Robstown (Texas) | 1,490.82 mi (2,399.24 km) |
| Williamsport to Rochester (Michigan) | 328.02 mi (527.89 km) |
| Williamsport to Rochester (Minnesota) | 806.73 mi (1,298.31 km) |
| Williamsport to Rochester (New Hampshire) | 340.75 mi (548.38 km) |
| Williamsport to Rochester (New York) | 136.48 mi (219.64 km) |
| Williamsport to Rochester Hills (Michigan) | 329.40 mi (530.11 km) |
| Williamsport to Rock Hill (South Carolina) | 486.05 mi (782.22 km) |
| Williamsport to Rock Island (Illinois) | 701.99 mi (1,129.75 km) |
| Williamsport to Rock Springs (Wyoming) | 1,657.99 mi (2,668.28 km) |
| Williamsport to Rockford (Illinois) | 623.43 mi (1,003.31 km) |
| Williamsport to Rockledge (Florida) | 916.76 mi (1,475.37 km) |
| Williamsport to Rocklin (California) | 2,320.02 mi (3,733.71 km) |
