| Witham to Ridgeland (Mississippi) | 4,527.81 mi (7,286.80 km) |
| Witham to Ridgewood (New Jersey) | 3,478.48 mi (5,598.07 km) |
| Witham to Rifle (Colorado) | 4,804.54 mi (7,732.15 km) |
| Witham to Rincon (Georgia) | 4,174.08 mi (6,717.53 km) |
| Witham to Ringwood (New Jersey) | 3,479.60 mi (5,599.87 km) |
| Witham to Río Grande (Puerto Rico) | 4,227.30 mi (6,803.19 km) |
| Witham to Rio Grande City (Texas) | 5,184.85 mi (8,344.20 km) |
| Witham to Rio Linda (California) | 5,280.00 mi (8,497.34 km) |
| Witham to Rio Rancho (New Mexico) | 4,997.49 mi (8,042.68 km) |
| Witham to Rio Rico (Arizona) | 5,355.69 mi (8,619.15 km) |
| Witham to Ripon (California) | 5,325.94 mi (8,571.27 km) |
| Witham to River Edge (New Jersey) | 3,477.89 mi (5,597.13 km) |
| Witham to River Falls (Wisconsin) | 4,009.96 mi (6,453.40 km) |
| Witham to River Forest (Illinois) | 3,973.56 mi (6,394.82 km) |
| Witham to River Grove (Illinois) | 3,972.88 mi (6,393.73 km) |
