| Mamoudzou to Smolyan | 3,977.39 mi (6,400.99 km) |
| Mamoudzou to Sofia | 4,076.70 mi (6,560.82 km) |
| Mamoudzou to Sopot | 4,043.82 mi (6,507.90 km) |
| Mamoudzou to Sozopol | 3,972.66 mi (6,393.37 km) |
| Mamoudzou to Sredets | 3,977.35 mi (6,400.93 km) |
| Mamoudzou to Stamboliyski | 4,015.60 mi (6,462.49 km) |
| Mamoudzou to Stara Zagora | 4,012.07 mi (6,456.80 km) |
| Mamoudzou to Svilengrad | 3,958.74 mi (6,370.97 km) |
| Mamoudzou to Svishtov | 4,093.35 mi (6,587.62 km) |
| Mamoudzou to Targovishte | 4,046.63 mi (6,512.42 km) |
| Mamoudzou to Teteven | 4,070.57 mi (6,550.96 km) |
| Mamoudzou to Troyan | 4,059.27 mi (6,532.77 km) |
| Mamoudzou to Tryavna | 4,042.65 mi (6,506.01 km) |
| Mamoudzou to Tutrakan | 4,097.51 mi (6,594.31 km) |
| Mamoudzou to Varna | 4,020.75 mi (6,470.78 km) |
