| Castelo Branco to Buenaventura Lakes (Florida) | 4,182.41 mi (6,730.94 km) |
| Castelo Branco to Buffalo (Minnesota) | 4,197.82 mi (6,755.75 km) |
| Castelo Branco to Buffalo (New York) | 3,591.94 mi (5,780.67 km) |
| Castelo Branco to Buffalo Grove (Illinois) | 4,034.08 mi (6,492.22 km) |
| Castelo Branco to Buford (Georgia) | 4,110.20 mi (6,614.73 km) |
| Castelo Branco to Bull Run (Virginia) | 3,642.87 mi (5,862.64 km) |
| Castelo Branco to Bullhead City (Arizona) | 5,484.95 mi (8,827.18 km) |
| Castelo Branco to Burbank (California) | 5,686.56 mi (9,151.63 km) |
| Castelo Branco to Burbank (Illinois) | 4,038.66 mi (6,499.59 km) |
| Castelo Branco to Burien (Washington) | 5,202.39 mi (8,372.44 km) |
| Castelo Branco to Burkburnett (Texas) | 4,815.91 mi (7,750.45 km) |
| Castelo Branco to Burke (Virginia) | 3,630.39 mi (5,842.55 km) |
| Castelo Branco to Burke Centre (Virginia) | 3,631.80 mi (5,844.82 km) |
| Castelo Branco to Burleson (Texas) | 4,819.40 mi (7,756.08 km) |
| Castelo Branco to Burley (Idaho) | 5,119.07 mi (8,238.35 km) |
