| Wallisellen to Smolyan | 887.69 mi (1,428.59 km) |
| Wallisellen to Sofia | 787.80 mi (1,267.83 km) |
| Wallisellen to Sopot | 852.65 mi (1,372.20 km) |
| Wallisellen to Sozopol | 993.30 mi (1,598.57 km) |
| Wallisellen to Sredets | 972.70 mi (1,565.41 km) |
| Wallisellen to Stamboliyski | 860.53 mi (1,384.89 km) |
| Wallisellen to Stara Zagora | 900.09 mi (1,448.55 km) |
| Wallisellen to Svilengrad | 947.22 mi (1,524.40 km) |
| Wallisellen to Svishtov | 850.52 mi (1,368.77 km) |
| Wallisellen to Targovishte | 917.34 mi (1,476.32 km) |
| Wallisellen to Teteven | 822.36 mi (1,323.46 km) |
| Wallisellen to Troyan | 843.63 mi (1,357.70 km) |
| Wallisellen to Tryavna | 879.48 mi (1,415.38 km) |
| Wallisellen to Tutrakan | 897.34 mi (1,444.13 km) |
| Wallisellen to Varna | 979.51 mi (1,576.37 km) |
