| Mont-Saint-Aignan to Smolyan | 1,258.98 mi (2,026.13 km) |
| Mont-Saint-Aignan to Sofia | 1,158.30 mi (1,864.10 km) |
| Mont-Saint-Aignan to Sopot | 1,221.83 mi (1,966.34 km) |
| Mont-Saint-Aignan to Sozopol | 1,359.47 mi (2,187.85 km) |
| Mont-Saint-Aignan to Sredets | 1,339.77 mi (2,156.15 km) |
| Mont-Saint-Aignan to Stamboliyski | 1,231.10 mi (1,981.26 km) |
| Mont-Saint-Aignan to Stara Zagora | 1,268.83 mi (2,041.99 km) |
| Mont-Saint-Aignan to Svilengrad | 1,317.01 mi (2,119.52 km) |
| Mont-Saint-Aignan to Svishtov | 1,215.44 mi (1,956.06 km) |
| Mont-Saint-Aignan to Targovishte | 1,281.95 mi (2,063.09 km) |
| Mont-Saint-Aignan to Teteven | 1,191.35 mi (1,917.30 km) |
| Mont-Saint-Aignan to Troyan | 1,212.19 mi (1,950.83 km) |
| Mont-Saint-Aignan to Tryavna | 1,247.09 mi (2,006.99 km) |
| Mont-Saint-Aignan to Tutrakan | 1,258.01 mi (2,024.57 km) |
| Mont-Saint-Aignan to Varna | 1,342.15 mi (2,159.98 km) |
