| Cologne to Cologno al Serio | 390.78 mi (628.90 km) |
| Cologne to Cologno Monzese | 388.62 mi (625.42 km) |
| Cologne to Colorno | 444.01 mi (714.56 km) |
| Cologne to Comacchio | 494.23 mi (795.39 km) |
| Cologne to Comiso | 1,037.19 mi (1,669.20 km) |
| Cologne to Como | 367.42 mi (591.31 km) |
| Cologne to Concordia Sagittaria | 447.92 mi (720.86 km) |
| Cologne to Concorezzo | 385.29 mi (620.06 km) |
| Cologne to Conegliano | 426.14 mi (685.81 km) |
| Cologne to Conselice | 497.93 mi (801.33 km) |
| Cologne to Conselve | 454.42 mi (731.32 km) |
| Cologne to Conversano | 842.64 mi (1,356.09 km) |
| Cologne to Copertino | 909.59 mi (1,463.84 km) |
| Cologne to Copparo | 474.12 mi (763.02 km) |
| Cologne to Corato | 812.49 mi (1,307.57 km) |
