| Mamoudzou to Bistrita | 4,333.36 mi (6,973.87 km) |
| Mamoudzou to Blaj | 4,283.51 mi (6,893.65 km) |
| Mamoudzou to Bocsa | 4,278.10 mi (6,884.94 km) |
| Mamoudzou to Boldesti-Scaeni | 4,171.10 mi (6,712.74 km) |
| Mamoudzou to Bolintin Vale | 4,138.71 mi (6,660.61 km) |
| Mamoudzou to Borsa | 4,363.68 mi (7,022.67 km) |
| Mamoudzou to Botosani | 4,335.48 mi (6,977.28 km) |
| Mamoudzou to Brad | 4,302.74 mi (6,924.60 km) |
| Mamoudzou to Bragadiru | 4,129.80 mi (6,646.26 km) |
| Mamoudzou to Braila | 4,153.56 mi (6,684.50 km) |
| Mamoudzou to Brasov | 4,219.40 mi (6,790.46 km) |
| Mamoudzou to Breaza | 4,187.85 mi (6,739.70 km) |
| Mamoudzou to Bucharest | 4,131.39 mi (6,648.84 km) |
| Mamoudzou to Buftea | 4,143.03 mi (6,667.56 km) |
| Mamoudzou to Buhusi | 4,268.02 mi (6,868.71 km) |
