| Fort Madison to Bonhill | 3,848.82 mi (6,194.08 km) |
| Fort Madison to Bonnyrigg | 3,903.63 mi (6,282.29 km) |
| Fort Madison to Bootle | 3,979.40 mi (6,404.23 km) |
| Fort Madison to Borehamwood | 4,137.52 mi (6,658.69 km) |
| Fort Madison to Boscombe | 4,108.52 mi (6,612.03 km) |
| Fort Madison to Boston | 4,103.56 mi (6,604.05 km) |
| Fort Madison to Bottesford | 4,061.17 mi (6,535.83 km) |
| Fort Madison to Bourne | 4,097.15 mi (6,593.73 km) |
| Fort Madison to Bournemouth | 4,107.14 mi (6,609.81 km) |
| Fort Madison to Bournville | 4,050.08 mi (6,517.97 km) |
| Fort Madison to Bovingdon | 4,125.42 mi (6,639.22 km) |
| Fort Madison to Bowdon | 4,004.55 mi (6,444.70 km) |
| Fort Madison to Boxley | 4,180.10 mi (6,727.23 km) |
| Fort Madison to Brackley | 4,092.39 mi (6,586.06 km) |
| Fort Madison to Bracknell | 4,127.53 mi (6,642.61 km) |
