| Alcazar de San Juan to Rockville (Maryland) | 3,836.44 mi (6,174.16 km) |
| Alcazar de San Juan to Rockville Centre (New York) | 3,621.46 mi (5,828.18 km) |
| Alcazar de San Juan to Rockwall (Texas) | 4,977.28 mi (8,010.16 km) |
| Alcazar de San Juan to Rocky Mount (North Carolina) | 3,965.20 mi (6,381.38 km) |
| Alcazar de San Juan to Rocky Point (New York) | 3,580.34 mi (5,762.01 km) |
| Alcazar de San Juan to Rocky River (Ohio) | 3,986.65 mi (6,415.89 km) |
| Alcazar de San Juan to Roessleville (New York) | 3,575.11 mi (5,753.58 km) |
| Alcazar de San Juan to Rogers (Arkansas) | 4,736.43 mi (7,622.54 km) |
| Alcazar de San Juan to Rogers (Minnesota) | 4,384.80 mi (7,056.65 km) |
| Alcazar de San Juan to Rohnert Park (California) | 5,839.58 mi (9,397.90 km) |
| Alcazar de San Juan to Rolla (Missouri) | 4,564.57 mi (7,345.97 km) |
| Alcazar de San Juan to Rolling Meadows (Illinois) | 4,249.20 mi (6,838.42 km) |
| Alcazar de San Juan to Roma (Texas) | 5,370.76 mi (8,643.40 km) |
| Alcazar de San Juan to Rome (Georgia) | 4,386.07 mi (7,058.70 km) |
| Alcazar de San Juan to Rome (New York) | 3,640.78 mi (5,859.26 km) |
