| Chartres to Smolyan | 1,223.16 mi (1,968.48 km) |
| Chartres to Sofia | 1,124.08 mi (1,809.03 km) |
| Chartres to Sopot | 1,189.40 mi (1,914.15 km) |
| Chartres to Sozopol | 1,330.08 mi (2,140.55 km) |
| Chartres to Sredets | 1,309.56 mi (2,107.54 km) |
| Chartres to Stamboliyski | 1,196.72 mi (1,925.94 km) |
| Chartres to Stara Zagora | 1,236.90 mi (1,990.61 km) |
| Chartres to Svilengrad | 1,283.77 mi (2,066.04 km) |
| Chartres to Svishtov | 1,187.03 mi (1,910.34 km) |
| Chartres to Targovishte | 1,253.82 mi (2,017.82 km) |
| Chartres to Teteven | 1,159.16 mi (1,865.48 km) |
| Chartres to Troyan | 1,180.48 mi (1,899.80 km) |
| Chartres to Tryavna | 1,216.35 mi (1,957.53 km) |
| Chartres to Tutrakan | 1,232.60 mi (1,983.68 km) |
| Chartres to Varna | 1,315.49 mi (2,117.07 km) |
