| Plougastel-Daoulas to Cosenza | 1,198.04 mi (1,928.06 km) |
| Plougastel-Daoulas to Cossato | 621.24 mi (999.79 km) |
| Plougastel-Daoulas to Costa Volpino | 701.65 mi (1,129.20 km) |
| Plougastel-Daoulas to Creazzo | 771.46 mi (1,241.54 km) |
| Plougastel-Daoulas to Crema | 694.41 mi (1,117.55 km) |
| Plougastel-Daoulas to Cremona | 716.37 mi (1,152.89 km) |
| Plougastel-Daoulas to Crevalcore | 777.98 mi (1,252.03 km) |
| Plougastel-Daoulas to Crispiano | 1,187.02 mi (1,910.33 km) |
| Plougastel-Daoulas to Crosia | 1,208.58 mi (1,945.02 km) |
| Plougastel-Daoulas to Crotone | 1,243.78 mi (2,001.67 km) |
| Plougastel-Daoulas to Cuneo | 630.62 mi (1,014.88 km) |
| Plougastel-Daoulas to Cuorgne | 603.14 mi (970.66 km) |
| Plougastel-Daoulas to Cusano Milanino | 667.20 mi (1,073.75 km) |
| Plougastel-Daoulas to Cutro | 1,240.28 mi (1,996.03 km) |
| Plougastel-Daoulas to Cutrofiano | 1,247.89 mi (2,008.28 km) |
