| Douarnenez to Cologno al Serio | 684.34 mi (1,101.33 km) |
| Douarnenez to Cologno Monzese | 666.46 mi (1,072.56 km) |
| Douarnenez to Colorno | 731.54 mi (1,177.31 km) |
| Douarnenez to Comacchio | 819.21 mi (1,318.40 km) |
| Douarnenez to Comiso | 1,227.91 mi (1,976.12 km) |
| Douarnenez to Como | 651.19 mi (1,047.99 km) |
| Douarnenez to Concordia Sagittaria | 824.56 mi (1,327.01 km) |
| Douarnenez to Concorezzo | 667.62 mi (1,074.43 km) |
| Douarnenez to Conegliano | 796.69 mi (1,282.15 km) |
| Douarnenez to Conselice | 808.31 mi (1,300.85 km) |
| Douarnenez to Conselve | 791.37 mi (1,273.59 km) |
| Douarnenez to Conversano | 1,160.30 mi (1,867.32 km) |
| Douarnenez to Copertino | 1,227.68 mi (1,975.75 km) |
| Douarnenez to Copparo | 798.11 mi (1,284.44 km) |
| Douarnenez to Corato | 1,121.97 mi (1,805.63 km) |
