| Boulder City to Brescia | 5,857.45 mi (9,426.65 km) |
| Boulder City to Bressanone | 5,841.73 mi (9,401.36 km) |
| Boulder City to Bresso | 5,824.11 mi (9,372.99 km) |
| Boulder City to Brindisi | 6,365.48 mi (10,244.25 km) |
| Boulder City to Broni | 5,850.71 mi (9,415.82 km) |
| Boulder City to Bronte | 6,420.43 mi (10,332.68 km) |
| Boulder City to Brugherio | 5,827.05 mi (9,377.74 km) |
| Boulder City to Brugnera | 5,911.76 mi (9,514.06 km) |
| Boulder City to Bruino | 5,793.34 mi (9,323.48 km) |
| Boulder City to Brunico | 5,846.13 mi (9,408.44 km) |
| Boulder City to Brusciano | 6,237.57 mi (10,038.40 km) |
| Boulder City to Bucine | 6,009.62 mi (9,671.54 km) |
| Boulder City to Budrio | 5,951.08 mi (9,577.34 km) |
| Boulder City to Busca | 5,818.40 mi (9,363.81 km) |
| Boulder City to Bussolengo | 5,881.40 mi (9,465.19 km) |
