| California to Coudekerque-Branche | 3,783.83 mi (6,089.48 km) |
| California to Coueron | 3,696.35 mi (5,948.71 km) |
| California to Coulommiers | 3,865.89 mi (6,221.55 km) |
| California to Courbevoic | 3,828.62 mi (6,161.57 km) |
| California to Courcouronnes | 3,842.87 mi (6,184.51 km) |
| California to Cournon-d'Auvergne | 3,951.40 mi (6,359.16 km) |
| California to Courrieres | 3,819.97 mi (6,147.64 km) |
| California to Coutras | 3,821.00 mi (6,149.31 km) |
| California to Couzeix | 3,860.80 mi (6,213.36 km) |
| California to Cran-Gevrier | 4,074.71 mi (6,557.62 km) |
| California to Craponne | 4,018.70 mi (6,467.48 km) |
| California to Creil | 3,829.55 mi (6,163.06 km) |
| California to Crepy-en-Valois | 3,847.17 mi (6,191.43 km) |
| California to Crest | 4,061.02 mi (6,535.58 km) |
| California to Creteil | 3,840.15 mi (6,180.13 km) |
