| Cities | Distance |
|---|
| Opfikon to Smolyan | 889.45 mi (1,431.43 km) |
| Opfikon to Sofia | 789.53 mi (1,270.63 km) |
| Opfikon to Sopot | 854.35 mi (1,374.95 km) |
| Opfikon to Sozopol | 994.96 mi (1,601.23 km) |
| Opfikon to Sredets | 974.37 mi (1,568.10 km) |
| Opfikon to Stamboliyski | 862.27 mi (1,387.69 km) |
| Opfikon to Stara Zagora | 901.79 mi (1,451.28 km) |
| Opfikon to Svilengrad | 948.94 mi (1,527.18 km) |
| Opfikon to Svishtov | 852.15 mi (1,371.40 km) |
| Opfikon to Targovishte | 918.97 mi (1,478.95 km) |
| Opfikon to Teteven | 824.06 mi (1,326.20 km) |
| Opfikon to Troyan | 845.33 mi (1,360.43 km) |
| Opfikon to Tryavna | 881.15 mi (1,418.08 km) |
| Opfikon to Tutrakan | 898.91 mi (1,446.66 km) |
| Opfikon to Varna | 981.11 mi (1,578.95 km) |
