| Saint-Vallier to Smolyan | 1,063.69 mi (1,711.84 km) |
| Saint-Vallier to Sofia | 967.84 mi (1,557.59 km) |
| Saint-Vallier to Sopot | 1,035.75 mi (1,666.88 km) |
| Saint-Vallier to Sozopol | 1,180.79 mi (1,900.31 km) |
| Saint-Vallier to Sredets | 1,158.98 mi (1,865.19 km) |
| Saint-Vallier to Stamboliyski | 1,039.76 mi (1,673.33 km) |
| Saint-Vallier to Stara Zagora | 1,083.80 mi (1,744.21 km) |
| Saint-Vallier to Svilengrad | 1,128.19 mi (1,815.65 km) |
| Saint-Vallier to Svishtov | 1,040.48 mi (1,674.49 km) |
| Saint-Vallier to Targovishte | 1,107.26 mi (1,781.97 km) |
| Saint-Vallier to Teteven | 1,006.12 mi (1,619.19 km) |
| Saint-Vallier to Troyan | 1,028.14 mi (1,654.63 km) |
| Saint-Vallier to Tryavna | 1,065.44 mi (1,714.67 km) |
| Saint-Vallier to Tutrakan | 1,091.22 mi (1,756.15 km) |
| Saint-Vallier to Varna | 1,171.17 mi (1,884.82 km) |
