| Kocaeli to Chojnice | 1,062.34 mi (1,709.67 km) |
| Kocaeli to Chojnow | 985.14 mi (1,585.44 km) |
| Kocaeli to Chorzow | 844.35 mi (1,358.85 km) |
| Kocaeli to Choszczno | 1,092.05 mi (1,757.49 km) |
| Kocaeli to Chrzanow | 822.42 mi (1,323.55 km) |
| Kocaeli to Ciechanow | 942.74 mi (1,517.20 km) |
| Kocaeli to Ciechocinek | 986.62 mi (1,587.81 km) |
| Kocaeli to Cieszyn | 826.94 mi (1,330.83 km) |
| Kocaeli to Czarna Bialostocka | 919.90 mi (1,480.43 km) |
| Kocaeli to Czarnkow | 1,045.95 mi (1,683.30 km) |
| Kocaeli to Czechowice-Dziedzice | 823.22 mi (1,324.84 km) |
| Kocaeli to Czeladz | 842.06 mi (1,355.16 km) |
| Kocaeli to Czersk Pomorski | 1,057.01 mi (1,701.09 km) |
| Kocaeli to Czestochowa | 865.18 mi (1,392.37 km) |
| Kocaeli to Czluchow | 1,065.14 mi (1,714.18 km) |
