| Cities | Distance |
|---|---|
| Kostel to Smolyan | 559.75 mi (900.83 km) |
| Kostel to Sofia | 460.32 mi (740.81 km) |
| Kostel to Sopot | 526.39 mi (847.14 km) |
| Kostel to Sozopol | 670.12 mi (1,078.45 km) |
| Kostel to Sredets | 648.53 mi (1,043.70 km) |
| Kostel to Stamboliyski | 532.94 mi (857.69 km) |
| Kostel to Stara Zagora | 574.20 mi (924.09 km) |
| Kostel to Svilengrad | 620.20 mi (998.11 km) |
| Kostel to Svishtov | 529.88 mi (852.75 km) |
| Kostel to Targovishte | 596.60 mi (960.14 km) |
| Kostel to Teteven | 496.40 mi (798.88 km) |
| Kostel to Troyan | 518.14 mi (833.86 km) |
| Kostel to Tryavna | 555.01 mi (893.19 km) |
| Kostel to Tutrakan | 582.38 mi (937.24 km) |
| Kostel to Varna | 660.90 mi (1,063.62 km) |