| Boulder City to Boppard | 5,536.85 mi (8,910.70 km) |
| Boulder City to Borgentreich | 5,519.58 mi (8,882.90 km) |
| Boulder City to Borgholzhausen | 5,464.94 mi (8,794.98 km) |
| Boulder City to Borken | 5,435.65 mi (8,747.84 km) |
| Boulder City to Borna | 5,636.20 mi (9,070.59 km) |
| Boulder City to Bornheim | 5,492.76 mi (8,839.74 km) |
| Boulder City to Bosel | 5,409.75 mi (8,706.16 km) |
| Boulder City to Bottrop | 5,452.52 mi (8,774.99 km) |
| Boulder City to Bovenden | 5,537.99 mi (8,912.53 km) |
| Boulder City to Brackenheim | 5,639.85 mi (9,076.46 km) |
| Boulder City to Brake | 5,408.63 mi (8,704.36 km) |
| Boulder City to Brakel | 5,510.05 mi (8,867.56 km) |
| Boulder City to Bramsche | 5,440.71 mi (8,755.98 km) |
| Boulder City to Brand | 5,467.44 mi (8,798.99 km) |
| Boulder City to Brand-Erbisdorf | 5,672.38 mi (9,128.81 km) |
