| Kostinbrod to Kocaeli | 373.10 mi (600.44 km) |
| Kostinbrod to Konak | 366.53 mi (589.88 km) |
| Kostinbrod to Konakli | 630.04 mi (1,013.94 km) |
| Kostinbrod to Konya | 595.34 mi (958.11 km) |
| Kostinbrod to Koprukoy | 984.43 mi (1,584.29 km) |
| Kostinbrod to Korfez | 363.74 mi (585.38 km) |
| Kostinbrod to Korkut | 1,009.05 mi (1,623.90 km) |
| Kostinbrod to Kose | 867.64 mi (1,396.33 km) |
| Kostinbrod to Kovancilar | 914.25 mi (1,471.34 km) |
| Kostinbrod to Koyulhisar | 774.12 mi (1,245.82 km) |
| Kostinbrod to Kozan | 759.99 mi (1,223.09 km) |
| Kostinbrod to Kozlu | 447.40 mi (720.03 km) |
| Kostinbrod to Kozluk | 1,009.34 mi (1,624.37 km) |
| Kostinbrod to Kucuk Dalyan | 825.82 mi (1,329.02 km) |
| Kostinbrod to Kucukcekmece | 313.25 mi (504.13 km) |
