| Petite-Synthe to Smolyan | 1,242.83 mi (2,000.14 km) |
| Petite-Synthe to Sofia | 1,139.90 mi (1,834.49 km) |
| Petite-Synthe to Sopot | 1,199.56 mi (1,930.50 km) |
| Petite-Synthe to Sozopol | 1,330.70 mi (2,141.55 km) |
| Petite-Synthe to Sredets | 1,312.60 mi (2,112.42 km) |
| Petite-Synthe to Stamboliyski | 1,212.40 mi (1,951.16 km) |
| Petite-Synthe to Stara Zagora | 1,245.29 mi (2,004.10 km) |
| Petite-Synthe to Svilengrad | 1,295.56 mi (2,085.00 km) |
| Petite-Synthe to Svishtov | 1,185.91 mi (1,908.53 km) |
| Petite-Synthe to Targovishte | 1,251.44 mi (2,013.99 km) |
| Petite-Synthe to Teteven | 1,168.90 mi (1,881.16 km) |
| Petite-Synthe to Troyan | 1,188.66 mi (1,912.96 km) |
| Petite-Synthe to Tryavna | 1,221.51 mi (1,965.84 km) |
| Petite-Synthe to Tutrakan | 1,222.88 mi (1,968.04 km) |
| Petite-Synthe to Varna | 1,308.65 mi (2,106.06 km) |
