| Duluth to Bonhill | 3,569.96 mi (5,745.29 km) |
| Duluth to Bonnyrigg | 3,622.86 mi (5,830.43 km) |
| Duluth to Bootle | 3,713.37 mi (5,976.09 km) |
| Duluth to Borehamwood | 3,876.47 mi (6,238.58 km) |
| Duluth to Boscombe | 3,856.69 mi (6,206.73 km) |
| Duluth to Boston | 3,834.19 mi (6,170.54 km) |
| Duluth to Bottesford | 3,789.75 mi (6,099.01 km) |
| Duluth to Bourne | 3,829.76 mi (6,163.40 km) |
| Duluth to Bournemouth | 3,855.43 mi (6,204.72 km) |
| Duluth to Bournville | 3,788.07 mi (6,096.31 km) |
| Duluth to Bovingdon | 3,864.58 mi (6,219.44 km) |
| Duluth to Bowdon | 3,737.67 mi (6,015.20 km) |
| Duluth to Boxley | 3,919.29 mi (6,307.49 km) |
| Duluth to Brackley | 3,831.06 mi (6,165.50 km) |
| Duluth to Bracknell | 3,869.00 mi (6,226.56 km) |
