| Butte to Bitonto | 5,662.71 mi (9,113.25 km) |
| Butte to Bitritto | 5,670.82 mi (9,126.31 km) |
| Butte to Bollate | 5,193.33 mi (8,357.86 km) |
| Butte to Bologna | 5,317.04 mi (8,556.95 km) |
| Butte to Bolzano | 5,206.00 mi (8,378.26 km) |
| Butte to Bomporto | 5,294.69 mi (8,520.99 km) |
| Butte to Bonate di Sopra | 5,199.31 mi (8,367.48 km) |
| Butte to Bondeno | 5,297.51 mi (8,525.52 km) |
| Butte to Bordighera | 5,245.65 mi (8,442.06 km) |
| Butte to Borgaro Torinese | 5,171.11 mi (8,322.10 km) |
| Butte to Borgo a Buggiano | 5,333.04 mi (8,582.70 km) |
| Butte to Borgo San Dalmazzo | 5,210.20 mi (8,385.01 km) |
| Butte to Borgo San Lorenzo | 5,348.53 mi (8,607.62 km) |
| Butte to Borgomanero | 5,165.85 mi (8,313.63 km) |
| Butte to Borgoricco | 5,278.02 mi (8,494.16 km) |
