| Middlesex to Beyne-Heusay | 3,743.82 mi (6,025.09 km) |
| Middlesex to Bierbeek | 3,702.40 mi (5,958.43 km) |
| Middlesex to Bilzen | 3,731.82 mi (6,005.78 km) |
| Middlesex to Binche | 3,689.19 mi (5,937.17 km) |
| Middlesex to Bissegem | 3,639.88 mi (5,857.82 km) |
| Middlesex to Blankenberge | 3,623.94 mi (5,832.16 km) |
| Middlesex to Blegny | 3,745.86 mi (6,028.37 km) |
| Middlesex to Bocholt | 3,726.32 mi (5,996.94 km) |
| Middlesex to Boechout | 3,682.83 mi (5,926.94 km) |
| Middlesex to Bonheiden | 3,687.82 mi (5,934.98 km) |
| Middlesex to Boom | 3,679.82 mi (5,922.10 km) |
| Middlesex to Boortmeerbeek | 3,690.45 mi (5,939.20 km) |
| Middlesex to Borgerhout | 3,679.55 mi (5,921.66 km) |
| Middlesex to Borgloon | 3,726.52 mi (5,997.25 km) |
| Middlesex to Bornem | 3,674.01 mi (5,912.75 km) |
