| Alcala la Real to Rockville (Maryland) | 3,860.25 mi (6,212.46 km) |
| Alcala la Real to Rockville Centre (New York) | 3,646.42 mi (5,868.34 km) |
| Alcala la Real to Rockwall (Texas) | 5,007.51 mi (8,058.81 km) |
| Alcala la Real to Rocky Mount (North Carolina) | 3,981.49 mi (6,407.59 km) |
| Alcala la Real to Rocky Point (New York) | 3,605.47 mi (5,802.44 km) |
| Alcala la Real to Rocky River (Ohio) | 4,020.97 mi (6,471.13 km) |
| Alcala la Real to Roessleville (New York) | 3,605.95 mi (5,803.21 km) |
| Alcala la Real to Rogers (Arkansas) | 4,771.16 mi (7,678.43 km) |
| Alcala la Real to Rogers (Minnesota) | 4,438.25 mi (7,142.67 km) |
| Alcala la Real to Rohnert Park (California) | 5,911.23 mi (9,513.20 km) |
| Alcala la Real to Rolla (Missouri) | 4,600.25 mi (7,403.39 km) |
| Alcala la Real to Rolling Meadows (Illinois) | 4,290.59 mi (6,905.04 km) |
| Alcala la Real to Roma (Texas) | 5,391.13 mi (8,676.18 km) |
| Alcala la Real to Rome (Georgia) | 4,406.19 mi (7,091.07 km) |
| Alcala la Real to Rome (New York) | 3,674.43 mi (5,913.42 km) |
