| Efringen-Kirchen to Rockville (Maryland) | 4,080.94 mi (6,567.64 km) |
| Efringen-Kirchen to Rockville Centre (New York) | 3,866.55 mi (6,222.61 km) |
| Efringen-Kirchen to Rockwall (Texas) | 5,157.37 mi (8,299.98 km) |
| Efringen-Kirchen to Rocky Mount (North Carolina) | 4,244.92 mi (6,831.54 km) |
| Efringen-Kirchen to Rocky Point (New York) | 3,825.87 mi (6,157.14 km) |
| Efringen-Kirchen to Rocky River (Ohio) | 4,170.31 mi (6,711.46 km) |
| Efringen-Kirchen to Roessleville (New York) | 3,790.56 mi (6,100.32 km) |
| Efringen-Kirchen to Rogers (Arkansas) | 4,897.52 mi (7,881.80 km) |
| Efringen-Kirchen to Rogers (Minnesota) | 4,447.48 mi (7,157.53 km) |
| Efringen-Kirchen to Rohnert Park (California) | 5,753.53 mi (9,259.41 km) |
| Efringen-Kirchen to Rolla (Missouri) | 4,724.78 mi (7,603.80 km) |
| Efringen-Kirchen to Rolling Meadows (Illinois) | 4,385.80 mi (7,058.27 km) |
| Efringen-Kirchen to Roma (Texas) | 5,595.22 mi (9,004.64 km) |
| Efringen-Kirchen to Rome (Georgia) | 4,634.89 mi (7,459.14 km) |
| Efringen-Kirchen to Rome (New York) | 3,838.87 mi (6,178.07 km) |
