| Cities | Distance |
|---|---|
| Kocaeli to Cernavoda | 264.99 mi (426.45 km) |
| Kocaeli to Chitila | 327.02 mi (526.29 km) |
| Kocaeli to Cisnadie | 448.35 mi (721.55 km) |
| Kocaeli to Cluj-Napoca | 521.16 mi (838.72 km) |
| Kocaeli to Codlea | 408.45 mi (657.33 km) |
| Kocaeli to Comanesti | 428.17 mi (689.08 km) |
| Kocaeli to Comarnic | 378.02 mi (608.36 km) |
| Kocaeli to Constanta | 244.14 mi (392.90 km) |
| Kocaeli to Corabia | 346.16 mi (557.09 km) |
| Kocaeli to Costesti | 371.71 mi (598.20 km) |
| Kocaeli to Covasna | 398.30 mi (641.01 km) |
| Kocaeli to Craiova | 396.43 mi (637.99 km) |
| Kocaeli to Cristuru Secuiesc | 453.41 mi (729.69 km) |
| Kocaeli to Cugir | 481.18 mi (774.38 km) |
| Kocaeli to Cumpana | 241.66 mi (388.92 km) |