| Cologne to Ciampino | 685.78 mi (1,103.65 km) |
| Cologne to Cicciano | 778.20 mi (1,252.39 km) |
| Cologne to Cingoli | 599.63 mi (965.02 km) |
| Cologne to Cinisello Balsamo | 386.42 mi (621.88 km) |
| Cologne to Cinisi | 931.95 mi (1,499.83 km) |
| Cologne to Cirie | 395.04 mi (635.75 km) |
| Cologne to Ciro Marina | 938.52 mi (1,510.41 km) |
| Cologne to Cislago | 376.77 mi (606.35 km) |
| Cologne to Cisterna di Latina | 703.52 mi (1,132.20 km) |
| Cologne to Cisternino | 865.07 mi (1,392.19 km) |
| Cologne to Citta di Castello | 572.77 mi (921.79 km) |
| Cologne to Citta Sant'Angelo | 671.15 mi (1,080.12 km) |
| Cologne to Cittadella | 427.24 mi (687.58 km) |
| Cologne to Cittanova | 976.90 mi (1,572.17 km) |
| Cologne to Cividale del Friuli | 446.46 mi (718.50 km) |
