| Reguengos de Monsaraz to Rockville (Maryland) | 3,653.46 mi (5,879.68 km) |
| Reguengos de Monsaraz to Rockville Centre (New York) | 3,439.88 mi (5,535.96 km) |
| Reguengos de Monsaraz to Rockwall (Texas) | 4,801.81 mi (7,727.76 km) |
| Reguengos de Monsaraz to Rocky Mount (North Carolina) | 3,773.73 mi (6,073.24 km) |
| Reguengos de Monsaraz to Rocky Point (New York) | 3,398.97 mi (5,470.12 km) |
| Reguengos de Monsaraz to Rocky River (Ohio) | 3,816.57 mi (6,142.17 km) |
| Reguengos de Monsaraz to Roessleville (New York) | 3,400.72 mi (5,472.93 km) |
| Reguengos de Monsaraz to Rogers (Arkansas) | 4,566.66 mi (7,349.34 km) |
| Reguengos de Monsaraz to Rogers (Minnesota) | 4,241.41 mi (6,825.89 km) |
| Reguengos de Monsaraz to Rohnert Park (California) | 5,725.25 mi (9,213.90 km) |
| Reguengos de Monsaraz to Rolla (Missouri) | 4,396.08 mi (7,074.80 km) |
| Reguengos de Monsaraz to Rolling Meadows (Illinois) | 4,088.43 mi (6,579.70 km) |
| Reguengos de Monsaraz to Roma (Texas) | 5,183.67 mi (8,342.31 km) |
| Reguengos de Monsaraz to Rome (Georgia) | 4,198.79 mi (6,757.30 km) |
| Reguengos de Monsaraz to Rome (New York) | 3,469.95 mi (5,584.34 km) |
