| Cities | Distance |
|---|---|
| Kocaeli to Buhusi | 441.35 mi (710.28 km) |
| Kocaeli to Bumbesti-Jiu | 449.49 mi (723.38 km) |
| Kocaeli to Busteni | 389.79 mi (627.30 km) |
| Kocaeli to Buzau | 341.32 mi (549.31 km) |
| Kocaeli to Cajvana | 517.75 mi (833.24 km) |
| Kocaeli to Calafat | 419.07 mi (674.43 km) |
| Kocaeli to Calan | 488.51 mi (786.17 km) |
| Kocaeli to Calarasi | 271.53 mi (436.99 km) |
| Kocaeli to Campia Turzii | 500.58 mi (805.61 km) |
| Kocaeli to Campina | 368.26 mi (592.66 km) |
| Kocaeli to Campulung | 396.64 mi (638.34 km) |
| Kocaeli to Campulung Moldovenesc | 515.10 mi (828.97 km) |
| Kocaeli to Caracal | 366.26 mi (589.43 km) |
| Kocaeli to Caransebes | 503.96 mi (811.05 km) |
| Kocaeli to Carei | 603.38 mi (971.04 km) |