| Cities | Distance |
|---|---|
| Kocaeli to Prokuplje | 460.36 mi (740.87 km) |
| Kocaeli to Raca | 514.04 mi (827.27 km) |
| Kocaeli to Raska | 508.23 mi (817.92 km) |
| Kocaeli to Razanj | 472.57 mi (760.54 km) |
| Kocaeli to Rekovac | 497.06 mi (799.95 km) |
| Kocaeli to Ruma | 587.92 mi (946.17 km) |
| Kocaeli to Sabac | 586.85 mi (944.44 km) |
| Kocaeli to Secanj | 560.06 mi (901.34 km) |
| Kocaeli to Senta | 608.67 mi (979.56 km) |
| Kocaeli to Sid | 617.79 mi (994.24 km) |
| Kocaeli to Sjenica | 537.31 mi (864.71 km) |
| Kocaeli to Smederevo | 529.52 mi (852.18 km) |
| Kocaeli to Smederevska Palanka | 519.02 mi (835.29 km) |
| Kocaeli to Sokobanja | 457.52 mi (736.31 km) |
| Kocaeli to Sombor | 643.79 mi (1,036.09 km) |