| Boulder City to Borgosatollo | 5,861.32 mi (9,432.89 km) |
| Boulder City to Borgosesia | 5,784.75 mi (9,309.65 km) |
| Boulder City to Boscoreale | 6,247.83 mi (10,054.91 km) |
| Boulder City to Boscotrecase | 6,246.39 mi (10,052.59 km) |
| Boulder City to Botticino Sera | 5,858.16 mi (9,427.79 km) |
| Boulder City to Bovalino Marina | 6,445.40 mi (10,372.86 km) |
| Boulder City to Boves | 5,830.43 mi (9,383.17 km) |
| Boulder City to Boville Ernica | 6,167.14 mi (9,925.05 km) |
| Boulder City to Bovisio Masciago | 5,818.77 mi (9,364.40 km) |
| Boulder City to Bovolone | 5,901.72 mi (9,497.90 km) |
| Boulder City to Bra | 5,822.14 mi (9,369.83 km) |
| Boulder City to Bracciano | 6,100.95 mi (9,818.53 km) |
| Boulder City to Brandizzo | 5,797.75 mi (9,330.58 km) |
| Boulder City to Breganze | 5,892.01 mi (9,482.28 km) |
| Boulder City to Brembate | 5,832.63 mi (9,386.72 km) |
