| Warstein to Smolyan | 1,029.77 mi (1,657.25 km) |
| Warstein to Sofia | 925.49 mi (1,489.43 km) |
| Warstein to Sopot | 978.96 mi (1,575.48 km) |
| Warstein to Sozopol | 1,100.50 mi (1,771.09 km) |
| Warstein to Sredets | 1,084.46 mi (1,745.27 km) |
| Warstein to Stamboliyski | 996.34 mi (1,603.45 km) |
| Warstein to Stara Zagora | 1,022.41 mi (1,645.41 km) |
| Warstein to Svilengrad | 1,074.69 mi (1,729.55 km) |
| Warstein to Svishtov | 956.47 mi (1,539.28 km) |
| Warstein to Targovishte | 1,020.07 mi (1,641.65 km) |
| Warstein to Teteven | 948.53 mi (1,526.51 km) |
| Warstein to Troyan | 966.60 mi (1,555.59 km) |
| Warstein to Tryavna | 996.41 mi (1,603.57 km) |
| Warstein to Tutrakan | 986.68 mi (1,587.92 km) |
| Warstein to Varna | 1,073.38 mi (1,727.44 km) |
