| Castellammare del Golfo to Cognac | 860.00 mi (1,384.03 km) |
| Castellammare del Golfo to Cogolin | 490.87 mi (789.98 km) |
| Castellammare del Golfo to Colmar | 748.16 mi (1,204.04 km) |
| Castellammare del Golfo to Colombes | 920.50 mi (1,481.40 km) |
| Castellammare del Golfo to Colomiers | 715.48 mi (1,151.45 km) |
| Castellammare del Golfo to Combs-la-Ville | 898.07 mi (1,445.30 km) |
| Castellammare del Golfo to Comines | 1,003.84 mi (1,615.52 km) |
| Castellammare del Golfo to Compiegne | 931.65 mi (1,499.34 km) |
| Castellammare del Golfo to Concarneau | 1,084.46 mi (1,745.27 km) |
| Castellammare del Golfo to Conde-sur-l'Escaut | 972.01 mi (1,564.29 km) |
| Castellammare del Golfo to Conflans-Sainte-Honorine | 928.96 mi (1,495.02 km) |
| Castellammare del Golfo to Corbas | 668.16 mi (1,075.30 km) |
| Castellammare del Golfo to Corbeil-Essonnes | 897.30 mi (1,444.06 km) |
| Castellammare del Golfo to Cormeilles-en-Parisis | 924.65 mi (1,488.08 km) |
| Castellammare del Golfo to Cosne sur Loire | 820.64 mi (1,320.69 km) |
