| Castelo Branco to Rockville (Maryland) | 3,616.29 mi (5,819.86 km) |
| Castelo Branco to Rockville Centre (New York) | 3,401.85 mi (5,474.75 km) |
| Castelo Branco to Rockwall (Texas) | 4,760.82 mi (7,661.79 km) |
| Castelo Branco to Rocky Mount (North Carolina) | 3,741.68 mi (6,021.65 km) |
| Castelo Branco to Rocky Point (New York) | 3,360.80 mi (5,408.69 km) |
| Castelo Branco to Rocky River (Ohio) | 3,772.50 mi (6,071.25 km) |
| Castelo Branco to Roessleville (New York) | 3,358.73 mi (5,405.36 km) |
| Castelo Branco to Rogers (Arkansas) | 4,522.66 mi (7,278.52 km) |
| Castelo Branco to Rogers (Minnesota) | 4,185.34 mi (6,735.66 km) |
| Castelo Branco to Rohnert Park (California) | 5,659.01 mi (9,107.29 km) |
| Castelo Branco to Rolla (Missouri) | 4,351.39 mi (7,002.89 km) |
| Castelo Branco to Rolling Meadows (Illinois) | 4,039.91 mi (6,501.61 km) |
| Castelo Branco to Roma (Texas) | 5,149.25 mi (8,286.91 km) |
| Castelo Branco to Rome (Georgia) | 4,164.28 mi (6,701.76 km) |
| Castelo Branco to Rome (New York) | 3,426.13 mi (5,513.82 km) |
