| Boise to Brandenburg | 5,136.25 mi (8,265.99 km) |
| Boise to Brandis | 5,198.78 mi (8,366.62 km) |
| Boise to Braunfels | 5,133.24 mi (8,261.15 km) |
| Boise to Braunsbedra | 5,183.69 mi (8,342.35 km) |
| Boise to Braunschweig | 5,093.88 mi (8,197.81 km) |
| Boise to Breckerfeld | 5,067.82 mi (8,155.87 km) |
| Boise to Breisach am Rhein | 5,245.57 mi (8,441.92 km) |
| Boise to Bremen | 5,005.22 mi (8,055.12 km) |
| Boise to Bremerhaven | 4,974.43 mi (8,005.57 km) |
| Boise to Bremervorde | 4,992.10 mi (8,034.01 km) |
| Boise to Bretten | 5,222.68 mi (8,405.09 km) |
| Boise to Bretzfeld | 5,234.70 mi (8,424.44 km) |
| Boise to Brieselang | 5,138.38 mi (8,269.43 km) |
| Boise to Brilon | 5,090.54 mi (8,192.43 km) |
| Boise to Bruchhausen-Vilsen | 5,023.93 mi (8,085.23 km) |
