| Wilhelmshaven to Smolyan | 1,125.91 mi (1,811.98 km) |
| Wilhelmshaven to Sofia | 1,021.98 mi (1,644.71 km) |
| Wilhelmshaven to Sopot | 1,069.75 mi (1,721.60 km) |
| Wilhelmshaven to Sozopol | 1,180.87 mi (1,900.42 km) |
| Wilhelmshaven to Sredets | 1,167.08 mi (1,878.23 km) |
| Wilhelmshaven to Stamboliyski | 1,090.60 mi (1,755.14 km) |
| Wilhelmshaven to Stara Zagora | 1,110.66 mi (1,787.44 km) |
| Wilhelmshaven to Svilengrad | 1,164.08 mi (1,873.40 km) |
| Wilhelmshaven to Svishtov | 1,039.40 mi (1,672.76 km) |
| Wilhelmshaven to Targovishte | 1,100.17 mi (1,770.55 km) |
| Wilhelmshaven to Teteven | 1,039.93 mi (1,673.61 km) |
| Wilhelmshaven to Troyan | 1,056.30 mi (1,699.95 km) |
| Wilhelmshaven to Tryavna | 1,082.99 mi (1,742.90 km) |
| Wilhelmshaven to Tutrakan | 1,061.83 mi (1,708.85 km) |
| Wilhelmshaven to Varna | 1,148.52 mi (1,848.36 km) |
