| Butte to Blumberg | 5,051.83 mi (8,130.13 km) |
| Butte to Bobenheim-Roxheim | 4,952.80 mi (7,970.77 km) |
| Butte to Bobingen | 5,093.17 mi (8,196.67 km) |
| Butte to Boblingen | 5,019.75 mi (8,078.51 km) |
| Butte to Bocholt | 4,784.48 mi (7,699.87 km) |
| Butte to Bochum | 4,819.60 mi (7,756.40 km) |
| Butte to Bockenem | 4,870.07 mi (7,837.63 km) |
| Butte to Bockhorn | 4,739.79 mi (7,627.95 km) |
| Butte to Bogen | 5,108.16 mi (8,220.79 km) |
| Butte to Bohl-Iggelheim | 4,962.75 mi (7,986.77 km) |
| Butte to Bohmte | 4,802.65 mi (7,729.13 km) |
| Butte to Boizenburg | 4,811.83 mi (7,743.89 km) |
| Butte to Bonen | 4,828.38 mi (7,770.53 km) |
| Butte to Bonn | 4,856.01 mi (7,814.99 km) |
| Butte to Bopfingen | 5,047.88 mi (8,123.77 km) |
