| Williamsport to Ridgefield Park (New Jersey) | 159.44 mi (256.59 km) |
| Williamsport to Ridgeland (Mississippi) | 945.08 mi (1,520.96 km) |
| Williamsport to Ridgewood (New Jersey) | 153.26 mi (246.65 km) |
| Williamsport to Rifle (Colorado) | 1,613.37 mi (2,596.46 km) |
| Williamsport to Rincon (Georgia) | 660.06 mi (1,062.27 km) |
| Williamsport to Ringwood (New Jersey) | 143.94 mi (231.65 km) |
| Williamsport to Río Grande (Puerto Rico) | 1,712.70 mi (2,756.32 km) |
| Williamsport to Rio Grande City (Texas) | 1,609.82 mi (2,590.76 km) |
| Williamsport to Rio Linda (California) | 2,332.51 mi (3,753.82 km) |
| Williamsport to Rio Rancho (New Mexico) | 1,652.05 mi (2,658.71 km) |
| Williamsport to Rio Rico (Arizona) | 1,990.28 mi (3,203.04 km) |
| Williamsport to Ripon (California) | 2,338.31 mi (3,763.14 km) |
| Williamsport to River Edge (New Jersey) | 157.63 mi (253.68 km) |
| Williamsport to River Falls (Wisconsin) | 824.30 mi (1,326.58 km) |
| Williamsport to River Forest (Illinois) | 558.85 mi (899.38 km) |
