| Butte to Borgosatollo | 5,230.42 mi (8,417.56 km) |
| Butte to Borgosesia | 5,158.98 mi (8,302.57 km) |
| Butte to Boscoreale | 5,619.44 mi (9,043.62 km) |
| Butte to Boscotrecase | 5,618.00 mi (9,041.30 km) |
| Butte to Botticino Sera | 5,227.08 mi (8,412.17 km) |
| Butte to Bovalino Marina | 5,819.73 mi (9,365.95 km) |
| Butte to Boves | 5,212.25 mi (8,388.31 km) |
| Butte to Boville Ernica | 5,539.22 mi (8,914.52 km) |
| Butte to Bovisio Masciago | 5,190.67 mi (8,353.58 km) |
| Butte to Bovolone | 5,268.92 mi (8,479.50 km) |
| Butte to Bra | 5,201.56 mi (8,371.10 km) |
| Butte to Bracciano | 5,475.78 mi (8,812.41 km) |
| Butte to Brandizzo | 5,175.37 mi (8,328.95 km) |
| Butte to Breganze | 5,256.38 mi (8,459.33 km) |
| Butte to Brembate | 5,203.38 mi (8,374.04 km) |
