| Zuchwil to Smolyan | 928.51 mi (1,494.30 km) |
| Zuchwil to Sofia | 829.72 mi (1,335.30 km) |
| Zuchwil to Sopot | 895.58 mi (1,441.30 km) |
| Zuchwil to Sozopol | 1,037.71 mi (1,670.03 km) |
| Zuchwil to Sredets | 1,016.72 mi (1,636.25 km) |
| Zuchwil to Stamboliyski | 902.29 mi (1,452.10 km) |
| Zuchwil to Stara Zagora | 943.26 mi (1,518.03 km) |
| Zuchwil to Svilengrad | 989.61 mi (1,592.62 km) |
| Zuchwil to Svishtov | 895.58 mi (1,441.30 km) |
| Zuchwil to Targovishte | 962.44 mi (1,548.90 km) |
| Zuchwil to Teteven | 865.47 mi (1,392.83 km) |
| Zuchwil to Troyan | 886.99 mi (1,427.48 km) |
| Zuchwil to Tryavna | 923.32 mi (1,485.94 km) |
| Zuchwil to Tutrakan | 943.67 mi (1,518.69 km) |
| Zuchwil to Varna | 1,025.19 mi (1,649.88 km) |
