| Cologne to Cartagena | 1,000.20 mi (1,609.66 km) |
| Cologne to Cartama | 1,136.84 mi (1,829.56 km) |
| Cologne to Cartaya | 1,170.17 mi (1,883.21 km) |
| Cologne to Caspe | 748.56 mi (1,204.69 km) |
| Cologne to Cassa de la Selva | 654.33 mi (1,053.04 km) |
| Cologne to Castalla | 929.80 mi (1,496.36 km) |
| Cologne to Castellbisbal | 695.07 mi (1,118.60 km) |
| Cologne to Castelldefels | 708.08 mi (1,139.54 km) |
| Cologne to Castello de Ampurias | 627.01 mi (1,009.07 km) |
| Cologne to Castellon de la Plana | 828.17 mi (1,332.81 km) |
| Cologne to Castilleja de la Cuesta | 1,133.13 mi (1,823.60 km) |
| Cologne to Catarroja | 872.72 mi (1,404.50 km) |
| Cologne to Catral | 960.62 mi (1,545.96 km) |
| Cologne to Caudete | 929.16 mi (1,495.33 km) |
| Cologne to Cehegin | 985.00 mi (1,585.20 km) |
