| River Forest to Cognac | 4,142.63 mi (6,666.92 km) |
| River Forest to Cogolin | 4,517.97 mi (7,270.98 km) |
| River Forest to Colmar | 4,361.58 mi (7,019.29 km) |
| River Forest to Colombes | 4,132.90 mi (6,651.26 km) |
| River Forest to Colomiers | 4,287.87 mi (6,900.66 km) |
| River Forest to Combs-la-Ville | 4,153.89 mi (6,685.05 km) |
| River Forest to Comines | 4,097.90 mi (6,594.93 km) |
| River Forest to Compiegne | 4,137.83 mi (6,659.19 km) |
| River Forest to Concarneau | 3,920.89 mi (6,310.06 km) |
| River Forest to Conde-sur-l'Escaut | 4,130.84 mi (6,647.94 km) |
| River Forest to Conflans-Sainte-Honorine | 4,124.24 mi (6,637.32 km) |
| River Forest to Corbas | 4,357.46 mi (7,012.65 km) |
| River Forest to Corbeil-Essonnes | 4,152.82 mi (6,683.33 km) |
| River Forest to Cormeilles-en-Parisis | 4,129.15 mi (6,645.23 km) |
| River Forest to Cosne sur Loire | 4,213.47 mi (6,780.93 km) |
