| Costa Mesa to Culpeper (Virginia) | 2,236.09 mi (3,598.63 km) |
| Costa Mesa to Culver City (California) | 36.31 mi (58.43 km) |
| Costa Mesa to Cumberland (Maryland) | 2,191.47 mi (3,526.82 km) |
| Costa Mesa to Cupertino (California) | 342.94 mi (551.92 km) |
| Costa Mesa to Cutler Bay (Florida) | 2,311.71 mi (3,720.34 km) |
| Costa Mesa to Cutlerville (Michigan) | 1,847.02 mi (2,972.49 km) |
| Costa Mesa to Cuyahoga Falls (Ohio) | 2,047.11 mi (3,294.51 km) |
| Costa Mesa to Cypress (California) | 12.64 mi (20.33 km) |
| Costa Mesa to Cypress Gardens (Florida) | 2,173.28 mi (3,497.55 km) |
| Costa Mesa to Cypress Lake (Florida) | 2,196.61 mi (3,535.10 km) |
| Costa Mesa to D'Iberville (Mississippi) | 1,707.34 mi (2,747.69 km) |
| Costa Mesa to Dakota Ridge (Colorado) | 817.99 mi (1,316.43 km) |
| Costa Mesa to Dale City (Virginia) | 2,270.49 mi (3,654.01 km) |
| Costa Mesa to Dallas (Georgia) | 1,890.78 mi (3,042.91 km) |
| Costa Mesa to Dallas (Oregon) | 829.04 mi (1,334.20 km) |
