| Castelo Branco to Reidsville (North Carolina) | 3,822.92 mi (6,152.40 km) |
| Castelo Branco to Reisterstown (Maryland) | 3,589.08 mi (5,776.06 km) |
| Castelo Branco to Rendon (Texas) | 4,812.20 mi (7,744.49 km) |
| Castelo Branco to Reno (Nevada) | 5,491.72 mi (8,838.07 km) |
| Castelo Branco to Renton (Washington) | 5,197.32 mi (8,364.27 km) |
| Castelo Branco to Republic (Missouri) | 4,458.95 mi (7,175.99 km) |
| Castelo Branco to Reston (Virginia) | 3,629.45 mi (5,841.04 km) |
| Castelo Branco to Revere (Massachusetts) | 3,231.60 mi (5,200.76 km) |
| Castelo Branco to Rexburg (Idaho) | 4,984.85 mi (8,022.35 km) |
| Castelo Branco to Reynoldsburg (Ohio) | 3,862.01 mi (6,215.31 km) |
| Castelo Branco to Rialto (California) | 5,651.05 mi (9,094.49 km) |
| Castelo Branco to Richardson (Texas) | 4,771.64 mi (7,679.21 km) |
| Castelo Branco to Richfield (Minnesota) | 4,182.84 mi (6,731.63 km) |
| Castelo Branco to Richfield (Wisconsin) | 4,013.23 mi (6,458.66 km) |
| Castelo Branco to Richland (Washington) | 5,153.68 mi (8,294.05 km) |
