| River Grove to Cognac | 4,142.20 mi (6,666.22 km) |
| River Grove to Cogolin | 4,517.52 mi (7,270.24 km) |
| River Grove to Colmar | 4,360.95 mi (7,018.26 km) |
| River Grove to Colombes | 4,132.31 mi (6,650.31 km) |
| River Grove to Colomiers | 4,287.49 mi (6,900.05 km) |
| River Grove to Combs-la-Ville | 4,153.31 mi (6,684.10 km) |
| River Grove to Comines | 4,097.23 mi (6,593.85 km) |
| River Grove to Compiegne | 4,137.21 mi (6,658.19 km) |
| River Grove to Concarneau | 3,920.43 mi (6,309.32 km) |
| River Grove to Conde-sur-l'Escaut | 4,130.17 mi (6,646.86 km) |
| River Grove to Conflans-Sainte-Honorine | 4,123.64 mi (6,636.36 km) |
| River Grove to Corbas | 4,356.94 mi (7,011.82 km) |
| River Grove to Corbeil-Essonnes | 4,152.24 mi (6,682.39 km) |
| River Grove to Cormeilles-en-Parisis | 4,128.56 mi (6,644.27 km) |
| River Grove to Cosne sur Loire | 4,212.93 mi (6,780.05 km) |
