| Werdohl to Smolyan | 1,043.48 mi (1,679.32 km) |
| Werdohl to Sofia | 939.30 mi (1,511.65 km) |
| Werdohl to Sopot | 993.99 mi (1,599.67 km) |
| Werdohl to Sozopol | 1,117.51 mi (1,798.46 km) |
| Werdohl to Sredets | 1,101.05 mi (1,771.96 km) |
| Werdohl to Stamboliyski | 1,010.55 mi (1,626.32 km) |
| Werdohl to Stara Zagora | 1,037.92 mi (1,670.37 km) |
| Werdohl to Svilengrad | 1,089.88 mi (1,754.00 km) |
| Werdohl to Svishtov | 973.18 mi (1,566.18 km) |
| Werdohl to Targovishte | 1,037.24 mi (1,669.28 km) |
| Werdohl to Teteven | 963.47 mi (1,550.56 km) |
| Werdohl to Troyan | 981.88 mi (1,580.19 km) |
| Werdohl to Tryavna | 1,012.32 mi (1,629.16 km) |
| Werdohl to Tutrakan | 1,004.83 mi (1,617.11 km) |
| Werdohl to Varna | 1,091.40 mi (1,756.43 km) |
