| Frontignan to Smolyan | 1,071.51 mi (1,724.43 km) |
| Frontignan to Sofia | 986.98 mi (1,588.40 km) |
| Frontignan to Sopot | 1,058.63 mi (1,703.71 km) |
| Frontignan to Sozopol | 1,209.17 mi (1,945.98 km) |
| Frontignan to Sredets | 1,185.10 mi (1,907.24 km) |
| Frontignan to Stamboliyski | 1,054.63 mi (1,697.27 km) |
| Frontignan to Stara Zagora | 1,106.42 mi (1,780.62 km) |
| Frontignan to Svilengrad | 1,143.75 mi (1,840.68 km) |
| Frontignan to Svishtov | 1,078.68 mi (1,735.96 km) |
| Frontignan to Targovishte | 1,143.40 mi (1,840.12 km) |
| Frontignan to Teteven | 1,031.39 mi (1,659.86 km) |
| Frontignan to Troyan | 1,054.24 mi (1,696.64 km) |
| Frontignan to Tryavna | 1,093.56 mi (1,759.91 km) |
| Frontignan to Tutrakan | 1,138.09 mi (1,831.59 km) |
| Frontignan to Varna | 1,210.08 mi (1,947.43 km) |
