| Gross-Gerau to Rockville (Maryland) | 4,051.81 mi (6,520.76 km) |
| Gross-Gerau to Rockville Centre (New York) | 3,838.96 mi (6,178.21 km) |
| Gross-Gerau to Rockwall (Texas) | 5,108.91 mi (8,221.99 km) |
| Gross-Gerau to Rocky Mount (North Carolina) | 4,222.32 mi (6,795.16 km) |
| Gross-Gerau to Rocky Point (New York) | 3,798.65 mi (6,113.34 km) |
| Gross-Gerau to Rocky River (Ohio) | 4,127.95 mi (6,643.30 km) |
| Gross-Gerau to Roessleville (New York) | 3,757.27 mi (6,046.75 km) |
| Gross-Gerau to Rogers (Arkansas) | 4,846.53 mi (7,799.74 km) |
| Gross-Gerau to Rogers (Minnesota) | 4,379.66 mi (7,048.39 km) |
| Gross-Gerau to Rohnert Park (California) | 5,653.43 mi (9,098.31 km) |
| Gross-Gerau to Rolla (Missouri) | 4,674.51 mi (7,522.89 km) |
| Gross-Gerau to Rolling Meadows (Illinois) | 4,332.68 mi (6,972.78 km) |
| Gross-Gerau to Roma (Texas) | 5,553.80 mi (8,937.98 km) |
| Gross-Gerau to Rome (Georgia) | 4,603.42 mi (7,408.49 km) |
| Gross-Gerau to Rome (New York) | 3,801.65 mi (6,118.16 km) |
