| Sankt Wendel to Smolyan | 1,004.73 mi (1,616.96 km) |
| Sankt Wendel to Sofia | 901.99 mi (1,451.61 km) |
| Sankt Wendel to Sopot | 962.34 mi (1,548.74 km) |
| Sankt Wendel to Sozopol | 1,095.45 mi (1,762.96 km) |
| Sankt Wendel to Sredets | 1,076.79 mi (1,732.93 km) |
| Sankt Wendel to Stamboliyski | 974.57 mi (1,568.42 km) |
| Sankt Wendel to Stara Zagora | 1,008.40 mi (1,622.86 km) |
| Sankt Wendel to Svilengrad | 1,058.25 mi (1,703.09 km) |
| Sankt Wendel to Svishtov | 950.79 mi (1,530.14 km) |
| Sankt Wendel to Targovishte | 1,016.76 mi (1,636.32 km) |
| Sankt Wendel to Teteven | 931.69 mi (1,499.42 km) |
| Sankt Wendel to Troyan | 951.72 mi (1,531.64 km) |
| Sankt Wendel to Tryavna | 985.14 mi (1,585.43 km) |
| Sankt Wendel to Tutrakan | 990.23 mi (1,593.63 km) |
| Sankt Wendel to Varna | 1,075.31 mi (1,730.55 km) |
