| Plougastel-Daoulas to Cologno al Serio | 689.59 mi (1,109.79 km) |
| Plougastel-Daoulas to Cologno Monzese | 672.01 mi (1,081.50 km) |
| Plougastel-Daoulas to Colorno | 737.57 mi (1,187.01 km) |
| Plougastel-Daoulas to Comacchio | 824.76 mi (1,327.33 km) |
| Plougastel-Daoulas to Comiso | 1,239.79 mi (1,995.25 km) |
| Plougastel-Daoulas to Como | 656.32 mi (1,056.25 km) |
| Plougastel-Daoulas to Concordia Sagittaria | 828.26 mi (1,332.95 km) |
| Plougastel-Daoulas to Concorezzo | 673.04 mi (1,083.15 km) |
| Plougastel-Daoulas to Conegliano | 800.39 mi (1,288.11 km) |
| Plougastel-Daoulas to Conselice | 814.28 mi (1,310.46 km) |
| Plougastel-Daoulas to Conselve | 796.26 mi (1,281.46 km) |
| Plougastel-Daoulas to Conversano | 1,167.91 mi (1,879.57 km) |
| Plougastel-Daoulas to Copertino | 1,235.49 mi (1,988.33 km) |
| Plougastel-Daoulas to Copparo | 803.52 mi (1,293.14 km) |
| Plougastel-Daoulas to Corato | 1,129.73 mi (1,818.12 km) |
