| Rocky River to Cognac | 3,907.90 mi (6,289.16 km) |
| Rocky River to Cogolin | 4,285.12 mi (6,896.23 km) |
| Rocky River to Colmar | 4,147.05 mi (6,674.03 km) |
| Rocky River to Colombes | 3,914.00 mi (6,298.98 km) |
| Rocky River to Colomiers | 4,048.27 mi (6,515.06 km) |
| Rocky River to Combs-la-Ville | 3,934.44 mi (6,331.87 km) |
| Rocky River to Comines | 3,887.46 mi (6,256.26 km) |
| Rocky River to Compiegne | 3,921.68 mi (6,311.33 km) |
| Rocky River to Concarneau | 3,689.55 mi (5,937.76 km) |
| Rocky River to Conde-sur-l'Escaut | 3,919.94 mi (6,308.53 km) |
| Rocky River to Conflans-Sainte-Honorine | 3,905.41 mi (6,285.16 km) |
| Rocky River to Corbas | 4,130.31 mi (6,647.09 km) |
| Rocky River to Corbeil-Essonnes | 3,933.04 mi (6,329.61 km) |
| Rocky River to Cormeilles-en-Parisis | 3,910.38 mi (6,293.14 km) |
| Rocky River to Cosne sur Loire | 3,989.72 mi (6,420.84 km) |
