| Schwaigern to Smolyan | 918.80 mi (1,478.67 km) |
| Schwaigern to Sofia | 815.73 mi (1,312.78 km) |
| Schwaigern to Sopot | 875.39 mi (1,408.81 km) |
| Schwaigern to Sozopol | 1,007.77 mi (1,621.86 km) |
| Schwaigern to Sredets | 989.24 mi (1,592.03 km) |
| Schwaigern to Stamboliyski | 888.19 mi (1,429.40 km) |
| Schwaigern to Stara Zagora | 921.26 mi (1,482.62 km) |
| Schwaigern to Svilengrad | 971.37 mi (1,563.27 km) |
| Schwaigern to Svishtov | 863.07 mi (1,388.98 km) |
| Schwaigern to Targovishte | 928.98 mi (1,495.06 km) |
| Schwaigern to Teteven | 844.74 mi (1,359.47 km) |
| Schwaigern to Troyan | 864.60 mi (1,391.44 km) |
| Schwaigern to Tryavna | 897.77 mi (1,444.82 km) |
| Schwaigern to Tutrakan | 902.31 mi (1,452.13 km) |
| Schwaigern to Varna | 987.42 mi (1,589.09 km) |
