| Forbach to Smolyan | 1,007.36 mi (1,621.19 km) |
| Forbach to Sofia | 905.07 mi (1,456.57 km) |
| Forbach to Sopot | 966.37 mi (1,555.22 km) |
| Forbach to Sozopol | 1,100.99 mi (1,771.87 km) |
| Forbach to Sredets | 1,081.97 mi (1,741.26 km) |
| Forbach to Stamboliyski | 977.77 mi (1,573.57 km) |
| Forbach to Stara Zagora | 1,012.73 mi (1,629.84 km) |
| Forbach to Svilengrad | 1,062.12 mi (1,709.32 km) |
| Forbach to Svishtov | 956.49 mi (1,539.33 km) |
| Forbach to Targovishte | 1,022.70 mi (1,645.87 km) |
| Forbach to Teteven | 935.75 mi (1,505.94 km) |
| Forbach to Troyan | 956.03 mi (1,538.58 km) |
| Forbach to Tryavna | 989.93 mi (1,593.15 km) |
| Forbach to Tutrakan | 997.23 mi (1,604.88 km) |
| Forbach to Varna | 1,081.92 mi (1,741.19 km) |
