| Cabeceiras de Basto to Bonita (California) | 5,612.04 mi (9,031.71 km) |
| Cabeceiras de Basto to Bonita Springs (Florida) | 4,228.11 mi (6,804.49 km) |
| Cabeceiras de Basto to Bonney Lake (Washington) | 5,102.58 mi (8,211.80 km) |
| Cabeceiras de Basto to Boone (Iowa) | 4,217.22 mi (6,786.95 km) |
| Cabeceiras de Basto to Boone (North Carolina) | 3,857.10 mi (6,207.41 km) |
| Cabeceiras de Basto to Borger (Texas) | 4,800.17 mi (7,725.13 km) |
| Cabeceiras de Basto to Bossier City (Louisiana) | 4,570.49 mi (7,355.49 km) |
| Cabeceiras de Basto to Boston (Massachusetts) | 3,164.83 mi (5,093.31 km) |
| Cabeceiras de Basto to Bostonia (California) | 5,601.23 mi (9,014.31 km) |
| Cabeceiras de Basto to Bothell (Washington) | 5,074.87 mi (8,167.21 km) |
| Cabeceiras de Basto to Bothell East (Washington) | 5,072.61 mi (8,163.58 km) |
| Cabeceiras de Basto to Bothell West (Washington) | 5,074.49 mi (8,166.61 km) |
| Cabeceiras de Basto to Boulder (Colorado) | 4,784.99 mi (7,700.70 km) |
| Cabeceiras de Basto to Boulder City (Nevada) | 5,373.76 mi (8,648.23 km) |
| Cabeceiras de Basto to Bound Brook (New Jersey) | 3,376.62 mi (5,434.14 km) |
