| Wesel to Smolyan | 1,099.73 mi (1,769.84 km) |
| Wesel to Sofia | 995.56 mi (1,602.20 km) |
| Wesel to Sopot | 1,050.36 mi (1,690.39 km) |
| Wesel to Sozopol | 1,173.78 mi (1,889.01 km) |
| Wesel to Sredets | 1,157.37 mi (1,862.61 km) |
| Wesel to Stamboliyski | 1,066.86 mi (1,716.94 km) |
| Wesel to Stara Zagora | 1,094.30 mi (1,761.11 km) |
| Wesel to Svilengrad | 1,146.26 mi (1,844.73 km) |
| Wesel to Svishtov | 1,029.48 mi (1,656.79 km) |
| Wesel to Targovishte | 1,093.48 mi (1,759.78 km) |
| Wesel to Teteven | 1,019.84 mi (1,641.28 km) |
| Wesel to Troyan | 1,038.27 mi (1,670.93 km) |
| Wesel to Tryavna | 1,068.69 mi (1,719.89 km) |
| Wesel to Tutrakan | 1,060.84 mi (1,707.25 km) |
| Wesel to Varna | 1,147.45 mi (1,846.63 km) |
