| Kocaeli to Castelletto sopra Ticino | 1,120.74 mi (1,803.66 km) |
| Kocaeli to Castelli Calepio | 1,059.59 mi (1,705.25 km) |
| Kocaeli to Castelnovo ne' Monti | 1,021.84 mi (1,644.50 km) |
| Kocaeli to Castelnuovo Berardenga | 959.29 mi (1,543.83 km) |
| Kocaeli to Castelnuovo di Porto | 905.41 mi (1,457.11 km) |
| Kocaeli to Castelnuovo di Verona | 1,015.73 mi (1,634.65 km) |
| Kocaeli to Castelnuovo Rangone | 996.95 mi (1,604.44 km) |
| Kocaeli to Castelvetrano | 939.31 mi (1,511.67 km) |
| Kocaeli to Castelvetro di Modena | 995.63 mi (1,602.31 km) |
| Kocaeli to Castenaso | 970.37 mi (1,561.66 km) |
| Kocaeli to Castenedolo | 1,038.56 mi (1,671.40 km) |
| Kocaeli to Castiglion Fiorentino | 938.51 mi (1,510.39 km) |
| Kocaeli to Castiglione del Lago | 930.95 mi (1,498.22 km) |
| Kocaeli to Castiglione delle Stiviere | 1,027.94 mi (1,654.31 km) |
| Kocaeli to Castrolibero | 731.70 mi (1,177.55 km) |
