| Castricum to Cizre | 2,081.56 mi (3,349.95 km) |
| Castricum to Cobanlar | 1,568.99 mi (2,525.05 km) |
| Castricum to Corlu | 1,337.63 mi (2,152.71 km) |
| Castricum to Corum | 1,643.53 mi (2,645.00 km) |
| Castricum to Cukurca | 2,143.50 mi (3,449.63 km) |
| Castricum to Cukurcayir | 1,818.89 mi (2,927.23 km) |
| Castricum to Cumayeri | 1,470.85 mi (2,367.11 km) |
| Castricum to Cumra | 1,700.03 mi (2,735.94 km) |
| Castricum to Cungus | 1,923.52 mi (3,095.61 km) |
| Castricum to Dargecit | 2,052.76 mi (3,303.60 km) |
| Castricum to Davutlar | 1,493.10 mi (2,402.91 km) |
| Castricum to Demirozu | 1,860.05 mi (2,993.46 km) |
| Castricum to Demre | 1,666.49 mi (2,681.96 km) |
| Castricum to Denizciler | 1,877.50 mi (3,021.54 km) |
| Castricum to Denizli | 1,554.31 mi (2,501.43 km) |
