| Tourcoing to Smolyan | 1,202.29 mi (1,934.90 km) |
| Tourcoing to Sofia | 1,099.45 mi (1,769.39 km) |
| Tourcoing to Sopot | 1,159.34 mi (1,865.77 km) |
| Tourcoing to Sozopol | 1,290.99 mi (2,077.65 km) |
| Tourcoing to Sredets | 1,272.75 mi (2,048.30 km) |
| Tourcoing to Stamboliyski | 1,171.98 mi (1,886.11 km) |
| Tourcoing to Stara Zagora | 1,205.16 mi (1,939.52 km) |
| Tourcoing to Svilengrad | 1,255.31 mi (2,020.23 km) |
| Tourcoing to Svishtov | 1,146.21 mi (1,844.65 km) |
| Tourcoing to Targovishte | 1,211.85 mi (1,950.29 km) |
| Tourcoing to Teteven | 1,128.68 mi (1,816.43 km) |
| Tourcoing to Troyan | 1,148.51 mi (1,848.36 km) |
| Tourcoing to Tryavna | 1,181.52 mi (1,901.48 km) |
| Tourcoing to Tutrakan | 1,183.73 mi (1,905.03 km) |
| Tourcoing to Varna | 1,269.37 mi (2,042.85 km) |
