| Cologne to Civita Castellana | 650.30 mi (1,046.56 km) |
| Cologne to Civitanova Marche | 615.86 mi (991.13 km) |
| Cologne to Civitavecchia | 652.22 mi (1,049.65 km) |
| Cologne to Civitella in Val di Chiana | 565.39 mi (909.90 km) |
| Cologne to Clusone | 375.14 mi (603.73 km) |
| Cologne to Coccaglio | 396.39 mi (637.94 km) |
| Cologne to Codigoro | 484.56 mi (779.82 km) |
| Cologne to Codogno | 418.79 mi (673.97 km) |
| Cologne to Codroipo | 440.58 mi (709.04 km) |
| Cologne to Cogoleto | 459.13 mi (738.90 km) |
| Cologne to Colle di Val d'Elsa | 556.28 mi (895.24 km) |
| Cologne to Colle Salvetti | 533.07 mi (857.90 km) |
| Cologne to Collecchio | 453.33 mi (729.56 km) |
| Cologne to Colleferro | 698.00 mi (1,123.32 km) |
| Cologne to Collegno | 405.82 mi (653.10 km) |
