| Hadamar to Rockville (Maryland) | 4,019.00 mi (6,467.95 km) |
| Hadamar to Rockville Centre (New York) | 3,806.44 mi (6,125.87 km) |
| Hadamar to Rockwall (Texas) | 5,073.07 mi (8,164.32 km) |
| Hadamar to Rocky Mount (North Carolina) | 4,190.53 mi (6,744.00 km) |
| Hadamar to Rocky Point (New York) | 3,766.20 mi (6,061.12 km) |
| Hadamar to Rocky River (Ohio) | 4,093.11 mi (6,587.23 km) |
| Hadamar to Roessleville (New York) | 3,723.87 mi (5,992.98 km) |
| Hadamar to Rogers (Arkansas) | 4,810.39 mi (7,741.58 km) |
| Hadamar to Rogers (Minnesota) | 4,341.53 mi (6,987.02 km) |
| Hadamar to Rohnert Park (California) | 5,612.53 mi (9,032.50 km) |
| Hadamar to Rolla (Missouri) | 4,638.49 mi (7,464.92 km) |
| Hadamar to Rolling Meadows (Illinois) | 4,296.33 mi (6,914.28 km) |
| Hadamar to Roma (Texas) | 5,518.89 mi (8,881.79 km) |
| Hadamar to Rome (Georgia) | 4,570.13 mi (7,354.92 km) |
| Hadamar to Rome (New York) | 3,767.63 mi (6,063.41 km) |
