| Costa Mesa to Castle Pines (Colorado) | 826.00 mi (1,329.32 km) |
| Costa Mesa to Castle Rock (Colorado) | 824.34 mi (1,326.64 km) |
| Costa Mesa to Castro Valley (California) | 363.52 mi (585.03 km) |
| Costa Mesa to Catalina Foothills (Arizona) | 418.05 mi (672.78 km) |
| Costa Mesa to Cataño (Puerto Rico) | 3,344.12 mi (5,381.84 km) |
| Costa Mesa to Cathedral City (California) | 84.08 mi (135.31 km) |
| Costa Mesa to Catonsville (Maryland) | 2,300.09 mi (3,701.63 km) |
| Costa Mesa to Cave Spring (Virginia) | 2,133.55 mi (3,433.62 km) |
| Costa Mesa to Cayce (South Carolina) | 2,105.25 mi (3,388.07 km) |
| Costa Mesa to Cayey (Puerto Rico) | 3,353.89 mi (5,397.57 km) |
| Costa Mesa to Cedar City (Utah) | 387.37 mi (623.41 km) |
| Costa Mesa to Cedar Falls (Iowa) | 1,505.92 mi (2,423.55 km) |
| Costa Mesa to Cedar Hill (Texas) | 1,212.77 mi (1,951.77 km) |
| Costa Mesa to Cedar Lake (Indiana) | 1,742.41 mi (2,804.14 km) |
| Costa Mesa to Cedar Mill (Oregon) | 859.90 mi (1,383.87 km) |
