| Urdorf to Ridgeland (Mississippi) | 4,973.25 mi (8,003.67 km) |
| Urdorf to Ridgewood (New Jersey) | 3,917.69 mi (6,304.91 km) |
| Urdorf to Rifle (Colorado) | 5,267.35 mi (8,476.98 km) |
| Urdorf to Rincon (Georgia) | 4,604.15 mi (7,409.67 km) |
| Urdorf to Ringwood (New Jersey) | 3,919.36 mi (6,307.60 km) |
| Urdorf to Río Grande (Puerto Rico) | 4,562.20 mi (7,342.15 km) |
| Urdorf to Rio Grande City (Texas) | 5,633.76 mi (9,066.66 km) |
| Urdorf to Rio Linda (California) | 5,737.26 mi (9,233.23 km) |
| Urdorf to Rio Rancho (New Mexico) | 5,459.72 mi (8,786.57 km) |
| Urdorf to Rio Rico (Arizona) | 5,818.13 mi (9,363.38 km) |
| Urdorf to Ripon (California) | 5,784.06 mi (9,308.55 km) |
| Urdorf to River Edge (New Jersey) | 3,916.86 mi (6,303.58 km) |
| Urdorf to River Falls (Wisconsin) | 4,471.37 mi (7,195.98 km) |
| Urdorf to River Forest (Illinois) | 4,429.79 mi (7,129.06 km) |
| Urdorf to River Grove (Illinois) | 4,429.16 mi (7,128.04 km) |
