| Middle River to Cognac | 3,752.00 mi (6,038.26 km) |
| Middle River to Cogolin | 4,129.64 mi (6,646.02 km) |
| Middle River to Colmar | 4,017.74 mi (6,465.92 km) |
| Middle River to Colombes | 3,780.30 mi (6,083.80 km) |
| Middle River to Colomiers | 3,884.47 mi (6,251.45 km) |
| Middle River to Combs-la-Ville | 3,799.83 mi (6,115.24 km) |
| Middle River to Comines | 3,765.46 mi (6,059.92 km) |
| Middle River to Compiegne | 3,791.69 mi (6,102.14 km) |
| Middle River to Concarneau | 3,539.95 mi (5,697.01 km) |
| Middle River to Conde-sur-l'Escaut | 3,797.09 mi (6,110.82 km) |
| Middle River to Conflans-Sainte-Honorine | 3,771.88 mi (6,070.26 km) |
| Middle River to Corbas | 3,983.77 mi (6,411.26 km) |
| Middle River to Corbeil-Essonnes | 3,797.99 mi (6,112.27 km) |
| Middle River to Cormeilles-en-Parisis | 3,776.87 mi (6,078.29 km) |
| Middle River to Cosne sur Loire | 3,848.81 mi (6,194.07 km) |
