| Upper Grand Lagoon to Coudekerque-Branche | 4,552.87 mi (7,327.14 km) |
| Upper Grand Lagoon to Coueron | 4,458.62 mi (7,175.46 km) |
| Upper Grand Lagoon to Coulommiers | 4,632.83 mi (7,455.82 km) |
| Upper Grand Lagoon to Courbevoic | 4,595.40 mi (7,395.57 km) |
| Upper Grand Lagoon to Courcouronnes | 4,609.34 mi (7,418.01 km) |
| Upper Grand Lagoon to Cournon-d'Auvergne | 4,713.24 mi (7,585.23 km) |
| Upper Grand Lagoon to Courrieres | 4,588.65 mi (7,384.72 km) |
| Upper Grand Lagoon to Coutras | 4,579.14 mi (7,369.41 km) |
| Upper Grand Lagoon to Couzeix | 4,621.78 mi (7,438.03 km) |
| Upper Grand Lagoon to Cran-Gevrier | 4,838.50 mi (7,786.81 km) |
| Upper Grand Lagoon to Craponne | 4,781.44 mi (7,694.98 km) |
| Upper Grand Lagoon to Creil | 4,596.86 mi (7,397.92 km) |
| Upper Grand Lagoon to Crepy-en-Valois | 4,614.57 mi (7,426.44 km) |
| Upper Grand Lagoon to Crest | 4,821.90 mi (7,760.10 km) |
| Upper Grand Lagoon to Creteil | 4,606.86 mi (7,414.02 km) |
