| Mamoudzou to Blackburn | 5,382.15 mi (8,661.74 km) |
| Mamoudzou to Blackpool | 5,402.41 mi (8,694.34 km) |
| Mamoudzou to Blairgowrie | 5,539.40 mi (8,914.80 km) |
| Mamoudzou to Blandford Forum | 5,237.64 mi (8,429.17 km) |
| Mamoudzou to Blaydon | 5,416.78 mi (8,717.46 km) |
| Mamoudzou to Bletchley | 5,246.07 mi (8,442.74 km) |
| Mamoudzou to Bloxwich | 5,314.57 mi (8,552.97 km) |
| Mamoudzou to Blunsdon Saint Andrew | 5,260.85 mi (8,466.52 km) |
| Mamoudzou to Blyth | 5,418.63 mi (8,720.44 km) |
| Mamoudzou to Bo'ness | 5,520.51 mi (8,884.40 km) |
| Mamoudzou to Bodmin | 5,304.22 mi (8,536.32 km) |
| Mamoudzou to Bognor Regis | 5,186.57 mi (8,346.98 km) |
| Mamoudzou to Bolsover | 5,321.85 mi (8,564.68 km) |
| Mamoudzou to Bolton | 5,372.62 mi (8,646.40 km) |
| Mamoudzou to Bonhill | 5,546.76 mi (8,926.64 km) |
