| Colonia to Coswig | 3,967.17 mi (6,384.55 km) |
| Colonia to Cottbus | 4,043.61 mi (6,507.56 km) |
| Colonia to Crailsheim | 3,956.97 mi (6,368.12 km) |
| Colonia to Cremlingen | 3,888.05 mi (6,257.21 km) |
| Colonia to Crimmitschau | 3,997.86 mi (6,433.93 km) |
| Colonia to Cuxhaven | 3,769.08 mi (6,065.75 km) |
| Colonia to Dachau | 4,039.66 mi (6,501.21 km) |
| Colonia to Dallgow-Doberitz | 3,971.07 mi (6,390.82 km) |
| Colonia to Damme | 3,785.68 mi (6,092.47 km) |
| Colonia to Darmstadt | 3,877.64 mi (6,240.45 km) |
| Colonia to Dassel | 3,863.45 mi (6,217.62 km) |
| Colonia to Datteln | 3,775.45 mi (6,076.00 km) |
| Colonia to Dautphe | 3,845.29 mi (6,188.40 km) |
| Colonia to Deggendorf | 4,083.44 mi (6,571.67 km) |
| Colonia to Delbruck | 3,820.57 mi (6,148.61 km) |
