| Cities | Distance |
|---|---|
| Kocaeli to Beocin | 598.50 mi (963.19 km) |
| Kocaeli to Blace | 475.98 mi (766.01 km) |
| Kocaeli to Bogatic | 598.47 mi (963.14 km) |
| Kocaeli to Bojnik | 449.29 mi (723.07 km) |
| Kocaeli to Boljevac | 458.53 mi (737.93 km) |
| Kocaeli to Bor | 461.07 mi (742.02 km) |
| Kocaeli to Borca | 556.95 mi (896.32 km) |
| Kocaeli to Bosilegrad | 402.62 mi (647.95 km) |
| Kocaeli to Brus | 489.99 mi (788.56 km) |
| Kocaeli to Bujanovac | 436.99 mi (703.27 km) |
| Kocaeli to Cacak | 533.99 mi (859.37 km) |
| Kocaeli to Cajetina | 560.53 mi (902.09 km) |
| Kocaeli to Cicevac | 478.51 mi (770.08 km) |
| Kocaeli to Coka | 606.31 mi (975.76 km) |
| Kocaeli to Crna Trava | 417.02 mi (671.14 km) |