| Cologne to Cizre | 1,958.11 mi (3,151.27 km) |
| Cologne to Cobanlar | 1,431.18 mi (2,303.26 km) |
| Cologne to Corlu | 1,200.34 mi (1,931.76 km) |
| Cologne to Corum | 1,516.38 mi (2,440.38 km) |
| Cologne to Cukurca | 2,022.06 mi (3,254.19 km) |
| Cologne to Cukurcayir | 1,700.78 mi (2,737.15 km) |
| Cologne to Cumayeri | 1,337.98 mi (2,153.27 km) |
| Cologne to Cumra | 1,563.03 mi (2,515.46 km) |
| Cologne to Cungus | 1,797.56 mi (2,892.89 km) |
| Cologne to Dargecit | 1,929.06 mi (3,104.53 km) |
| Cologne to Davutlar | 1,349.37 mi (2,171.60 km) |
| Cologne to Demirozu | 1,739.93 mi (2,800.14 km) |
| Cologne to Demre | 1,524.00 mi (2,452.64 km) |
| Cologne to Denizciler | 1,743.73 mi (2,806.27 km) |
| Cologne to Denizli | 1,412.72 mi (2,273.55 km) |
