| Grays to Rockville (Maryland) | 3,680.87 mi (5,923.79 km) |
| Grays to Rockville Centre (New York) | 3,467.66 mi (5,580.66 km) |
| Grays to Rockwall (Texas) | 4,745.55 mi (7,637.22 km) |
| Grays to Rocky Mount (North Carolina) | 3,850.28 mi (6,196.43 km) |
| Grays to Rocky Point (New York) | 3,427.27 mi (5,515.66 km) |
| Grays to Rocky River (Ohio) | 3,761.38 mi (6,053.36 km) |
| Grays to Roessleville (New York) | 3,387.32 mi (5,451.37 km) |
| Grays to Rogers (Arkansas) | 4,484.54 mi (7,217.17 km) |
| Grays to Rogers (Minnesota) | 4,030.00 mi (6,485.66 km) |
| Grays to Rohnert Park (California) | 5,343.72 mi (8,599.89 km) |
| Grays to Rolla (Missouri) | 4,312.06 mi (6,939.59 km) |
| Grays to Rolling Meadows (Illinois) | 3,971.86 mi (6,392.10 km) |
| Grays to Roma (Texas) | 5,187.14 mi (8,347.89 km) |
| Grays to Rome (Georgia) | 4,233.15 mi (6,812.60 km) |
| Grays to Rome (New York) | 3,432.97 mi (5,524.82 km) |
