| Cities | Distance |
|---|---|
| Koszeg to Smolyan | 566.72 mi (912.04 km) |
| Koszeg to Sofia | 462.42 mi (744.19 km) |
| Koszeg to Sopot | 516.44 mi (831.13 km) |
| Koszeg to Sozopol | 643.55 mi (1,035.70 km) |
| Koszeg to Sredets | 625.84 mi (1,007.20 km) |
| Koszeg to Stamboliyski | 533.19 mi (858.09 km) |
| Koszeg to Stara Zagora | 560.72 mi (902.40 km) |
| Koszeg to Svilengrad | 612.40 mi (985.56 km) |
| Koszeg to Svishtov | 498.76 mi (802.68 km) |
| Koszeg to Targovishte | 564.19 mi (907.97 km) |
| Koszeg to Teteven | 485.90 mi (781.98 km) |
| Koszeg to Troyan | 504.50 mi (811.92 km) |
| Koszeg to Tryavna | 535.73 mi (862.17 km) |
| Koszeg to Tutrakan | 536.80 mi (863.89 km) |
| Koszeg to Varna | 621.95 mi (1,000.94 km) |