| Cayce to Coudekerque-Branche | 4,173.97 mi (6,717.36 km) |
| Cayce to Coueron | 4,080.15 mi (6,566.36 km) |
| Cayce to Coulommiers | 4,253.75 mi (6,845.76 km) |
| Cayce to Courbevoic | 4,216.33 mi (6,785.52 km) |
| Cayce to Courcouronnes | 4,230.28 mi (6,807.99 km) |
| Cayce to Cournon-d'Auvergne | 4,334.87 mi (6,976.29 km) |
| Cayce to Courrieres | 4,209.67 mi (6,774.81 km) |
| Cayce to Coutras | 4,201.58 mi (6,761.79 km) |
| Cayce to Couzeix | 4,243.57 mi (6,829.37 km) |
| Cayce to Cran-Gevrier | 4,459.78 mi (7,177.32 km) |
| Cayce to Craponne | 4,402.90 mi (7,085.77 km) |
| Cayce to Creil | 4,217.77 mi (6,787.85 km) |
| Cayce to Crepy-en-Valois | 4,235.49 mi (6,816.36 km) |
| Cayce to Crest | 4,443.74 mi (7,151.51 km) |
| Cayce to Creteil | 4,227.79 mi (6,803.97 km) |
