| Oberwil to Smolyan | 935.69 mi (1,505.84 km) |
| Oberwil to Sofia | 836.14 mi (1,345.64 km) |
| Oberwil to Sopot | 901.29 mi (1,450.49 km) |
| Oberwil to Sozopol | 1,042.28 mi (1,677.38 km) |
| Oberwil to Sredets | 1,021.60 mi (1,644.11 km) |
| Oberwil to Stamboliyski | 908.84 mi (1,462.63 km) |
| Oberwil to Stara Zagora | 948.80 mi (1,526.94 km) |
| Oberwil to Svilengrad | 995.73 mi (1,602.47 km) |
| Oberwil to Svishtov | 899.58 mi (1,447.74 km) |
| Oberwil to Targovishte | 966.42 mi (1,555.30 km) |
| Oberwil to Teteven | 871.05 mi (1,401.82 km) |
| Oberwil to Troyan | 892.38 mi (1,436.15 km) |
| Oberwil to Tryavna | 928.34 mi (1,494.02 km) |
| Oberwil to Tutrakan | 946.49 mi (1,523.23 km) |
| Oberwil to Varna | 1,028.64 mi (1,655.43 km) |
