| Kocaeli to Corato | 705.14 mi (1,134.82 km) |
| Kocaeli to Corbetta | 1,104.27 mi (1,777.15 km) |
| Kocaeli to Corciano | 919.08 mi (1,479.12 km) |
| Kocaeli to Cordenons | 934.51 mi (1,503.95 km) |
| Kocaeli to Cori | 884.64 mi (1,423.69 km) |
| Kocaeli to Coriano | 909.50 mi (1,463.69 km) |
| Kocaeli to Corigliano Calabro | 711.24 mi (1,144.63 km) |
| Kocaeli to Corleone | 910.12 mi (1,464.70 km) |
| Kocaeli to Cormano | 1,093.34 mi (1,759.56 km) |
| Kocaeli to Cornaredo | 1,099.09 mi (1,768.82 km) |
| Kocaeli to Cornate d'Adda | 1,080.35 mi (1,738.66 km) |
| Kocaeli to Cornedo Vicentino | 990.88 mi (1,594.68 km) |
| Kocaeli to Correggio | 1,006.64 mi (1,620.04 km) |
| Kocaeli to Corridonia | 857.91 mi (1,380.67 km) |
| Kocaeli to Corsico | 1,094.33 mi (1,761.15 km) |
