| Castelo Branco to Bailey's Crossroads (Virginia) | 3,621.86 mi (5,828.82 km) |
| Castelo Branco to Bainbridge (Georgia) | 4,253.02 mi (6,844.57 km) |
| Castelo Branco to Bainbridge Island (Washington) | 5,201.20 mi (8,370.52 km) |
| Castelo Branco to Baker (Louisiana) | 4,594.33 mi (7,393.86 km) |
| Castelo Branco to Bakersfield (California) | 5,660.19 mi (9,109.19 km) |
| Castelo Branco to Balch Springs (Texas) | 4,777.06 mi (7,687.94 km) |
| Castelo Branco to Baldwin (New York) | 3,400.69 mi (5,472.88 km) |
| Castelo Branco to Baldwin (Pennsylvania) | 3,715.06 mi (5,978.81 km) |
| Castelo Branco to Baldwin Park (California) | 5,676.98 mi (9,136.21 km) |
| Castelo Branco to Ballenger Creek (Maryland) | 3,620.70 mi (5,826.96 km) |
| Castelo Branco to Ballwin (Missouri) | 4,272.04 mi (6,875.19 km) |
| Castelo Branco to Baltimore (Maryland) | 3,583.59 mi (5,767.23 km) |
| Castelo Branco to Bangor (Maine) | 3,075.39 mi (4,949.36 km) |
| Castelo Branco to Banning (California) | 5,638.63 mi (9,074.49 km) |
| Castelo Branco to Baraboo (Wisconsin) | 4,072.89 mi (6,554.69 km) |
