| Valley to Cognac | 4,412.86 mi (7,101.81 km) |
| Valley to Cogolin | 4,790.19 mi (7,709.06 km) |
| Valley to Colmar | 4,682.44 mi (7,535.65 km) |
| Valley to Colombes | 4,444.77 mi (7,153.17 km) |
| Valley to Colomiers | 4,542.89 mi (7,311.07 km) |
| Valley to Combs-la-Ville | 4,464.22 mi (7,184.47 km) |
| Valley to Comines | 4,430.36 mi (7,129.98 km) |
| Valley to Compiegne | 4,456.40 mi (7,171.89 km) |
| Valley to Concarneau | 4,202.43 mi (6,763.16 km) |
| Valley to Conde-sur-l'Escaut | 4,461.99 mi (7,180.88 km) |
| Valley to Conflans-Sainte-Honorine | 4,436.37 mi (7,139.65 km) |
| Valley to Corbas | 4,646.45 mi (7,477.74 km) |
| Valley to Corbeil-Essonnes | 4,462.34 mi (7,181.44 km) |
| Valley to Cormeilles-en-Parisis | 4,441.36 mi (7,147.68 km) |
| Valley to Cosne sur Loire | 4,512.48 mi (7,262.13 km) |
