| Mettlach to Rockville (Maryland) | 3,987.36 mi (6,417.03 km) |
| Mettlach to Rockville Centre (New York) | 3,773.84 mi (6,073.42 km) |
| Mettlach to Rockwall (Texas) | 5,052.85 mi (8,131.77 km) |
| Mettlach to Rocky Mount (North Carolina) | 4,155.41 mi (6,687.49 km) |
| Mettlach to Rocky Point (New York) | 3,733.38 mi (6,008.30 km) |
| Mettlach to Rocky River (Ohio) | 4,068.97 mi (6,548.37 km) |
| Mettlach to Roessleville (New York) | 3,694.39 mi (5,945.55 km) |
| Mettlach to Rogers (Arkansas) | 4,791.57 mi (7,711.29 km) |
| Mettlach to Rogers (Minnesota) | 4,332.86 mi (6,973.06 km) |
| Mettlach to Rohnert Park (California) | 5,625.90 mi (9,054.01 km) |
| Mettlach to Rolla (Missouri) | 4,619.18 mi (7,433.85 km) |
| Mettlach to Rolling Meadows (Illinois) | 4,278.60 mi (6,885.73 km) |
| Mettlach to Roma (Texas) | 5,494.72 mi (8,842.90 km) |
| Mettlach to Rome (Georgia) | 4,540.02 mi (7,306.46 km) |
| Mettlach to Rome (New York) | 3,740.40 mi (6,019.58 km) |
