| Castelo Branco to Barberton (Ohio) | 3,774.20 mi (6,073.99 km) |
| Castelo Branco to Bardstown (Kentucky) | 4,057.07 mi (6,529.22 km) |
| Castelo Branco to Barrington (Illinois) | 4,042.17 mi (6,505.24 km) |
| Castelo Branco to Barstow (California) | 5,601.53 mi (9,014.79 km) |
| Castelo Branco to Bartlesville (Oklahoma) | 4,590.58 mi (7,387.83 km) |
| Castelo Branco to Bartlett (Illinois) | 4,051.20 mi (6,519.77 km) |
| Castelo Branco to Bartlett (Tennessee) | 4,356.10 mi (7,010.46 km) |
| Castelo Branco to Bartow (Florida) | 4,223.02 mi (6,796.30 km) |
| Castelo Branco to Batavia (Illinois) | 4,060.16 mi (6,534.19 km) |
| Castelo Branco to Batavia (New York) | 3,558.13 mi (5,726.25 km) |
| Castelo Branco to Batesville (Arkansas) | 4,423.16 mi (7,118.39 km) |
| Castelo Branco to Baton Rouge (Louisiana) | 4,598.40 mi (7,400.40 km) |
| Castelo Branco to Battle Creek (Michigan) | 3,904.99 mi (6,284.47 km) |
| Castelo Branco to Battle Ground (Washington) | 5,291.01 mi (8,515.05 km) |
| Castelo Branco to Bay City (Michigan) | 3,805.67 mi (6,124.64 km) |
