| Costa Mesa to Coudekerque-Branche | 5,554.89 mi (8,939.74 km) |
| Costa Mesa to Coueron | 5,592.91 mi (9,000.91 km) |
| Costa Mesa to Coulommiers | 5,682.45 mi (9,145.01 km) |
| Costa Mesa to Courbevoic | 5,651.21 mi (9,094.74 km) |
| Costa Mesa to Courcouronnes | 5,670.05 mi (9,125.07 km) |
| Costa Mesa to Cournon-d'Auvergne | 5,834.10 mi (9,389.07 km) |
| Costa Mesa to Courrieres | 5,599.48 mi (9,011.49 km) |
| Costa Mesa to Coutras | 5,749.64 mi (9,253.15 km) |
| Costa Mesa to Couzeix | 5,759.43 mi (9,268.91 km) |
| Costa Mesa to Cran-Gevrier | 5,924.70 mi (9,534.89 km) |
| Costa Mesa to Craponne | 5,886.17 mi (9,472.87 km) |
| Costa Mesa to Creil | 5,641.66 mi (9,079.37 km) |
| Costa Mesa to Crepy-en-Valois | 5,655.99 mi (9,102.44 km) |
| Costa Mesa to Crest | 5,946.44 mi (9,569.86 km) |
| Costa Mesa to Creteil | 5,663.20 mi (9,114.04 km) |
