| Boulder City to Blumberg | 5,686.19 mi (9,151.04 km) |
| Boulder City to Bobenheim-Roxheim | 5,592.89 mi (9,000.88 km) |
| Boulder City to Bobingen | 5,735.26 mi (9,230.00 km) |
| Boulder City to Boblingen | 5,658.43 mi (9,106.36 km) |
| Boulder City to Bocholt | 5,428.14 mi (8,735.75 km) |
| Boulder City to Bochum | 5,463.46 mi (8,792.59 km) |
| Boulder City to Bockenem | 5,522.51 mi (8,887.62 km) |
| Boulder City to Bockhorn | 5,391.98 mi (8,677.55 km) |
| Boulder City to Bogen | 5,757.17 mi (9,265.27 km) |
| Boulder City to Bohl-Iggelheim | 5,601.95 mi (9,015.46 km) |
| Boulder City to Bohmte | 5,452.11 mi (8,774.32 km) |
| Boulder City to Boizenburg | 5,469.67 mi (8,802.59 km) |
| Boulder City to Bonen | 5,473.95 mi (8,809.47 km) |
| Boulder City to Bonn | 5,496.94 mi (8,846.47 km) |
| Boulder City to Bopfingen | 5,690.68 mi (9,158.27 km) |
