| Butte to Belvedere Marittimo | 5,726.06 mi (9,215.20 km) |
| Butte to Benevento | 5,607.23 mi (9,023.96 km) |
| Butte to Bergamo | 5,201.70 mi (8,371.33 km) |
| Butte to Bernalda | 5,703.32 mi (9,178.61 km) |
| Butte to Bertinoro | 5,359.25 mi (8,624.88 km) |
| Butte to Besana in Brianza | 5,190.05 mi (8,352.58 km) |
| Butte to Besozzo | 5,163.63 mi (8,310.07 km) |
| Butte to Biancavilla | 5,809.61 mi (9,349.66 km) |
| Butte to Biassono | 5,193.21 mi (8,357.66 km) |
| Butte to Bibbiano | 5,281.76 mi (8,500.18 km) |
| Butte to Bibbiena | 5,375.21 mi (8,650.57 km) |
| Butte to Biella | 5,161.12 mi (8,306.03 km) |
| Butte to Bisceglie | 5,650.35 mi (9,093.35 km) |
| Butte to Bisignano | 5,743.98 mi (9,244.04 km) |
| Butte to Bitetto | 5,669.44 mi (9,124.08 km) |
