| Chateaudun to Smolyan | 1,223.49 mi (1,969.02 km) |
| Chateaudun to Sofia | 1,125.22 mi (1,810.86 km) |
| Chateaudun to Sopot | 1,191.26 mi (1,917.15 km) |
| Chateaudun to Sozopol | 1,333.12 mi (2,145.45 km) |
| Chateaudun to Sredets | 1,312.27 mi (2,111.90 km) |
| Chateaudun to Stamboliyski | 1,197.73 mi (1,927.56 km) |
| Chateaudun to Stara Zagora | 1,238.94 mi (1,993.88 km) |
| Chateaudun to Svilengrad | 1,285.21 mi (2,068.34 km) |
| Chateaudun to Svishtov | 1,190.60 mi (1,916.09 km) |
| Chateaudun to Targovishte | 1,257.44 mi (2,023.66 km) |
| Chateaudun to Teteven | 1,161.15 mi (1,868.69 km) |
| Chateaudun to Troyan | 1,182.66 mi (1,903.31 km) |
| Chateaudun to Tryavna | 1,218.92 mi (1,961.66 km) |
| Chateaudun to Tutrakan | 1,237.36 mi (1,991.34 km) |
| Chateaudun to Varna | 1,319.67 mi (2,123.81 km) |
