| Kocaeli to Klaukkala | 1,373.41 mi (2,210.28 km) |
| Kocaeli to Kokkola | 1,617.73 mi (2,603.48 km) |
| Kocaeli to Kontiolahti | 1,520.35 mi (2,446.76 km) |
| Kocaeli to Korsholm | 1,580.64 mi (2,543.79 km) |
| Kocaeli to Kotka | 1,367.33 mi (2,200.50 km) |
| Kocaeli to Kouvola | 1,395.82 mi (2,246.36 km) |
| Kocaeli to Kuhmo | 1,614.27 mi (2,597.92 km) |
| Kocaeli to Kuopio | 1,531.80 mi (2,465.20 km) |
| Kocaeli to Kurikka | 1,541.51 mi (2,480.82 km) |
| Kocaeli to Kuusamo | 1,741.68 mi (2,802.96 km) |
| Kocaeli to Kuusankoski | 1,398.92 mi (2,251.34 km) |
| Kocaeli to Lahti | 1,408.74 mi (2,267.15 km) |
| Kocaeli to Laitila | 1,433.13 mi (2,306.39 km) |
| Kocaeli to Lapinlahti | 1,565.22 mi (2,518.97 km) |
| Kocaeli to Lappeenranta | 1,404.80 mi (2,260.80 km) |
