| Saint-Doulchard to Smolyan | 1,162.46 mi (1,870.81 km) |
| Saint-Doulchard to Sofia | 1,066.07 mi (1,715.67 km) |
| Saint-Doulchard to Sopot | 1,133.56 mi (1,824.28 km) |
| Saint-Doulchard to Sozopol | 1,277.82 mi (2,056.45 km) |
| Saint-Doulchard to Sredets | 1,256.26 mi (2,021.75 km) |
| Saint-Doulchard to Stamboliyski | 1,138.15 mi (1,831.67 km) |
| Saint-Doulchard to Stara Zagora | 1,181.53 mi (1,901.49 km) |
| Saint-Doulchard to Svilengrad | 1,226.39 mi (1,973.69 km) |
| Saint-Doulchard to Svishtov | 1,136.79 mi (1,829.49 km) |
| Saint-Doulchard to Targovishte | 1,203.63 mi (1,937.06 km) |
| Saint-Doulchard to Teteven | 1,103.78 mi (1,776.37 km) |
| Saint-Doulchard to Troyan | 1,125.68 mi (1,811.61 km) |
| Saint-Doulchard to Tryavna | 1,162.73 mi (1,871.23 km) |
| Saint-Doulchard to Tutrakan | 1,186.32 mi (1,909.20 km) |
| Saint-Doulchard to Varna | 1,267.07 mi (2,039.15 km) |
