| Thouars to Smolyan | 1,281.31 mi (2,062.06 km) |
| Thouars to Sofia | 1,185.84 mi (1,908.43 km) |
| Thouars to Sopot | 1,253.83 mi (2,017.84 km) |
| Thouars to Sozopol | 1,398.77 mi (2,251.10 km) |
| Thouars to Sredets | 1,377.01 mi (2,216.09 km) |
| Thouars to Stamboliyski | 1,257.68 mi (2,024.04 km) |
| Thouars to Stara Zagora | 1,301.88 mi (2,095.17 km) |
| Thouars to Svilengrad | 1,346.19 mi (2,166.48 km) |
| Thouars to Svishtov | 1,258.17 mi (2,024.82 km) |
| Thouars to Targovishte | 1,324.98 mi (2,132.35 km) |
| Thouars to Teteven | 1,224.19 mi (1,970.15 km) |
| Thouars to Troyan | 1,246.21 mi (2,005.58 km) |
| Thouars to Tryavna | 1,283.48 mi (2,065.56 km) |
| Thouars to Tutrakan | 1,308.16 mi (2,105.28 km) |
| Thouars to Varna | 1,388.64 mi (2,234.80 km) |
