| Kocaeli to Jozefow | 886.32 mi (1,426.39 km) |
| Kocaeli to Kalisz | 944.50 mi (1,520.03 km) |
| Kocaeli to Kamien Pomorski | 1,150.37 mi (1,851.35 km) |
| Kocaeli to Kamienna Gora | 959.80 mi (1,544.64 km) |
| Kocaeli to Karczew | 882.99 mi (1,421.04 km) |
| Kocaeli to Kartuzy | 1,082.04 mi (1,741.38 km) |
| Kocaeli to Katowice | 840.66 mi (1,352.91 km) |
| Kocaeli to Kedzierzyn-Kozle | 869.78 mi (1,399.77 km) |
| Kocaeli to Kepno | 922.89 mi (1,485.24 km) |
| Kocaeli to Ketrzyn | 1,001.41 mi (1,611.61 km) |
| Kocaeli to Kety | 816.10 mi (1,313.39 km) |
| Kocaeli to Kielce | 828.00 mi (1,332.54 km) |
| Kocaeli to Kielczow | 939.98 mi (1,512.75 km) |
| Kocaeli to Klobuck | 876.51 mi (1,410.61 km) |
| Kocaeli to Klodzko | 923.52 mi (1,486.27 km) |
