| Dreux to Smolyan | 1,233.22 mi (1,984.68 km) |
| Dreux to Sofia | 1,133.66 mi (1,824.45 km) |
| Dreux to Sopot | 1,198.50 mi (1,928.79 km) |
| Dreux to Sozopol | 1,338.35 mi (2,153.87 km) |
| Dreux to Sredets | 1,318.06 mi (2,121.22 km) |
| Dreux to Stamboliyski | 1,206.37 mi (1,941.47 km) |
| Dreux to Stara Zagora | 1,245.87 mi (2,005.04 km) |
| Dreux to Svilengrad | 1,293.12 mi (2,081.08 km) |
| Dreux to Svishtov | 1,194.99 mi (1,923.14 km) |
| Dreux to Targovishte | 1,261.71 mi (2,030.53 km) |
| Dreux to Teteven | 1,168.18 mi (1,880.00 km) |
| Dreux to Troyan | 1,189.37 mi (1,914.11 km) |
| Dreux to Tryavna | 1,224.98 mi (1,971.41 km) |
| Dreux to Tutrakan | 1,239.72 mi (1,995.14 km) |
| Dreux to Varna | 1,322.99 mi (2,129.14 km) |
