| Butte to Barberino di Mugello | 5,341.43 mi (8,596.20 km) |
| Butte to Barcellona-Pozzo di Gotto | 5,791.40 mi (9,320.36 km) |
| Butte to Bareggio | 5,193.92 mi (8,358.81 km) |
| Butte to Barga | 5,314.95 mi (8,553.58 km) |
| Butte to Bari | 5,667.39 mi (9,120.79 km) |
| Butte to Barletta | 5,639.79 mi (9,076.37 km) |
| Butte to Baronissi | 5,629.03 mi (9,059.05 km) |
| Butte to Barrafranca | 5,805.49 mi (9,343.03 km) |
| Butte to Bassano del Grappa | 5,257.45 mi (8,461.05 km) |
| Butte to Battipaglia | 5,642.68 mi (9,081.01 km) |
| Butte to Beinasco | 5,176.30 mi (8,330.44 km) |
| Butte to Bellinzago Novarese | 5,177.16 mi (8,331.83 km) |
| Butte to Belluno | 5,250.28 mi (8,449.52 km) |
| Butte to Belmonte Mezzagno | 5,741.34 mi (9,239.79 km) |
| Butte to Belpasso | 5,816.98 mi (9,361.52 km) |
