| Ludinghausen to Ridgeland (Mississippi) | 4,793.38 mi (7,714.20 km) |
| Ludinghausen to Ridgewood (New Jersey) | 3,750.35 mi (6,035.61 km) |
| Ludinghausen to Rifle (Colorado) | 5,025.65 mi (8,088.00 km) |
| Ludinghausen to Rincon (Georgia) | 4,450.75 mi (7,162.79 km) |
| Ludinghausen to Ringwood (New Jersey) | 3,751.08 mi (6,036.78 km) |
| Ludinghausen to Río Grande (Puerto Rico) | 4,516.85 mi (7,269.16 km) |
| Ludinghausen to Rio Grande City (Texas) | 5,446.15 mi (8,764.74 km) |
| Ludinghausen to Rio Linda (California) | 5,470.46 mi (8,803.86 km) |
| Ludinghausen to Rio Rancho (New Mexico) | 5,229.38 mi (8,415.88 km) |
| Ludinghausen to Rio Rico (Arizona) | 5,585.43 mi (8,988.88 km) |
| Ludinghausen to Ripon (California) | 5,519.11 mi (8,882.15 km) |
| Ludinghausen to River Edge (New Jersey) | 3,749.95 mi (6,034.95 km) |
| Ludinghausen to River Falls (Wisconsin) | 4,247.84 mi (6,836.23 km) |
| Ludinghausen to River Forest (Illinois) | 4,225.79 mi (6,800.75 km) |
| Ludinghausen to River Grove (Illinois) | 4,225.02 mi (6,799.51 km) |
