| Constanta to Kocaeli | 244.14 mi (392.90 km) |
| Constanta to Konak | 404.72 mi (651.34 km) |
| Constanta to Konakli | 551.06 mi (886.84 km) |
| Constanta to Konya | 479.19 mi (771.18 km) |
| Constanta to Koprukoy | 737.02 mi (1,186.12 km) |
| Constanta to Korfez | 240.39 mi (386.87 km) |
| Constanta to Korkut | 776.08 mi (1,248.99 km) |
| Constanta to Kose | 626.10 mi (1,007.61 km) |
| Constanta to Kovancilar | 691.91 mi (1,113.52 km) |
| Constanta to Koyulhisar | 540.40 mi (869.70 km) |
| Constanta to Kozan | 596.02 mi (959.20 km) |
| Constanta to Kozlu | 246.20 mi (396.22 km) |
| Constanta to Kozluk | 784.35 mi (1,262.28 km) |
| Constanta to Kucuk Dalyan | 677.44 mi (1,090.23 km) |
| Constanta to Kucukcekmece | 218.96 mi (352.39 km) |
