| Costa Mesa to Clemson (South Carolina) | 1,997.50 mi (3,214.66 km) |
| Costa Mesa to Clermont (Florida) | 2,159.31 mi (3,475.07 km) |
| Costa Mesa to Cleveland (Mississippi) | 1,557.99 mi (2,507.35 km) |
| Costa Mesa to Cleveland (Ohio) | 2,039.99 mi (3,283.04 km) |
| Costa Mesa to Cleveland (Tennessee) | 1,877.49 mi (3,021.52 km) |
| Costa Mesa to Cleveland Heights (Ohio) | 2,046.17 mi (3,292.99 km) |
| Costa Mesa to Cliffside Park (New Jersey) | 2,439.84 mi (3,926.54 km) |
| Costa Mesa to Clifton (Colorado) | 644.61 mi (1,037.39 km) |
| Costa Mesa to Clifton (New Jersey) | 2,430.85 mi (3,912.08 km) |
| Costa Mesa to Clinton (Iowa) | 1,605.18 mi (2,583.29 km) |
| Costa Mesa to Clinton (Maryland) | 2,293.64 mi (3,691.25 km) |
| Costa Mesa to Clinton (Mississippi) | 1,595.44 mi (2,567.61 km) |
| Costa Mesa to Clinton (Utah) | 607.60 mi (977.83 km) |
| Costa Mesa to Clive (Iowa) | 1,423.00 mi (2,290.10 km) |
| Costa Mesa to Cloquet (Minnesota) | 1,605.24 mi (2,583.38 km) |
