| Boulder City to Boekel | 5,410.69 mi (8,707.67 km) |
| Boulder City to Bolsward | 5,335.77 mi (8,587.09 km) |
| Boulder City to Borger | 5,379.94 mi (8,658.18 km) |
| Boulder City to Borne | 5,409.25 mi (8,705.35 km) |
| Boulder City to Boskoop | 5,357.09 mi (8,621.40 km) |
| Boulder City to Boxmeer | 5,416.91 mi (8,717.67 km) |
| Boulder City to Boxtel | 5,401.28 mi (8,692.52 km) |
| Boulder City to Breda | 5,383.83 mi (8,664.44 km) |
| Boulder City to Breukelen | 5,362.81 mi (8,630.61 km) |
| Boulder City to Brielle | 5,350.14 mi (8,610.23 km) |
| Boulder City to Bronkhorst | 5,402.88 mi (8,695.10 km) |
| Boulder City to Brummen | 5,401.88 mi (8,693.48 km) |
| Boulder City to Brunssum | 5,451.50 mi (8,773.34 km) |
| Boulder City to Bunnik | 5,375.72 mi (8,651.38 km) |
| Boulder City to Burgum | 5,343.15 mi (8,598.97 km) |
