| Wadenswil to Smolyan | 880.17 mi (1,416.49 km) |
| Wadenswil to Sofia | 780.67 mi (1,256.37 km) |
| Wadenswil to Sopot | 845.95 mi (1,361.42 km) |
| Wadenswil to Sozopol | 987.28 mi (1,588.87 km) |
| Wadenswil to Sredets | 966.50 mi (1,555.42 km) |
| Wadenswil to Stamboliyski | 853.36 mi (1,373.35 km) |
| Wadenswil to Stara Zagora | 893.50 mi (1,437.94 km) |
| Wadenswil to Svilengrad | 940.31 mi (1,513.28 km) |
| Wadenswil to Svishtov | 844.81 mi (1,359.59 km) |
| Wadenswil to Targovishte | 911.66 mi (1,467.18 km) |
| Wadenswil to Teteven | 815.73 mi (1,312.79 km) |
| Wadenswil to Troyan | 837.12 mi (1,347.21 km) |
| Wadenswil to Tryavna | 873.18 mi (1,405.25 km) |
| Wadenswil to Tutrakan | 892.34 mi (1,436.09 km) |
| Wadenswil to Varna | 974.14 mi (1,567.73 km) |
