| Key West to Beyne-Heusay | 4,814.63 mi (7,748.40 km) |
| Key West to Bierbeek | 4,773.53 mi (7,682.25 km) |
| Key West to Bilzen | 4,804.73 mi (7,732.47 km) |
| Key West to Binche | 4,754.93 mi (7,652.32 km) |
| Key West to Bissegem | 4,707.89 mi (7,576.61 km) |
| Key West to Blankenberge | 4,696.48 mi (7,558.26 km) |
| Key West to Blegny | 4,817.31 mi (7,752.71 km) |
| Key West to Bocholt | 4,802.23 mi (7,728.44 km) |
| Key West to Boechout | 4,756.44 mi (7,654.76 km) |
| Key West to Bonheiden | 4,760.42 mi (7,661.15 km) |
| Key West to Boom | 4,752.58 mi (7,648.54 km) |
| Key West to Boortmeerbeek | 4,762.63 mi (7,664.71 km) |
| Key West to Borgerhout | 4,753.67 mi (7,650.29 km) |
| Key West to Borgloon | 4,798.48 mi (7,722.41 km) |
| Key West to Bornem | 4,746.68 mi (7,639.04 km) |
