| Mouscron to Sofia | 1,097.45 mi (1,766.18 km) |
| Mouscron to Sopot | 1,157.29 mi (1,862.48 km) |
| Mouscron to Sozopol | 1,288.86 mi (2,074.21 km) |
| Mouscron to Sredets | 1,270.64 mi (2,044.90 km) |
| Mouscron to Stamboliyski | 1,169.97 mi (1,882.89 km) |
| Mouscron to Stara Zagora | 1,203.10 mi (1,936.19 km) |
| Mouscron to Svilengrad | 1,253.27 mi (2,016.94 km) |
| Mouscron to Svishtov | 1,144.08 mi (1,841.22 km) |
| Mouscron to Targovishte | 1,209.70 mi (1,946.83 km) |
| Mouscron to Teteven | 1,126.63 mi (1,813.13 km) |
| Mouscron to Troyan | 1,146.45 mi (1,845.04 km) |
| Mouscron to Tryavna | 1,179.43 mi (1,898.11 km) |
| Mouscron to Tutrakan | 1,181.53 mi (1,901.49 km) |
| Mouscron to Varna | 1,267.18 mi (2,039.33 km) |
| Mouscron to Veliki Preslav | 1,222.69 mi (1,967.73 km) |
