| Cities | Distance |
|---|---|
| Kocaeli to Karditsa | 433.75 mi (698.06 km) |
| Kocaeli to Kastoria | 453.69 mi (730.14 km) |
| Kocaeli to Katerini | 391.01 mi (629.27 km) |
| Kocaeli to Keratsini | 387.92 mi (624.30 km) |
| Kocaeli to Kerkyra | 533.11 mi (857.96 km) |
| Kocaeli to Kiato | 427.23 mi (687.57 km) |
| Kocaeli to Kifisia | 374.43 mi (602.58 km) |
| Kocaeli to Kilkis | 368.59 mi (593.19 km) |
| Kocaeli to Komotini | 236.07 mi (379.91 km) |
| Kocaeli to Korinthos | 421.19 mi (677.84 km) |
| Kocaeli to Koropi | 378.62 mi (609.34 km) |
| Kocaeli to Korydallos | 385.78 mi (620.85 km) |
| Kocaeli to Kos | 306.49 mi (493.25 km) |
| Kocaeli to Kozani | 428.20 mi (689.12 km) |
| Kocaeli to Lagos | 256.28 mi (412.44 km) |