| Boise to Beyne-Heusay | 5,052.20 mi (8,130.73 km) |
| Boise to Bierbeek | 5,015.80 mi (8,072.15 km) |
| Boise to Bilzen | 5,035.23 mi (8,103.41 km) |
| Boise to Binche | 5,021.33 mi (8,081.05 km) |
| Boise to Bissegem | 4,972.23 mi (8,002.03 km) |
| Boise to Blankenberge | 4,944.38 mi (7,957.22 km) |
| Boise to Blegny | 5,051.90 mi (8,130.24 km) |
| Boise to Bocholt | 5,020.84 mi (8,080.27 km) |
| Boise to Boechout | 4,991.18 mi (8,032.52 km) |
| Boise to Bonheiden | 4,998.70 mi (8,044.63 km) |
| Boise to Boom | 4,991.35 mi (8,032.81 km) |
| Boise to Boortmeerbeek | 5,002.26 mi (8,050.36 km) |
| Boise to Borgerhout | 4,986.74 mi (8,025.39 km) |
| Boise to Borgloon | 5,033.75 mi (8,101.04 km) |
| Boise to Bornem | 4,986.69 mi (8,025.30 km) |
