| Costa Mesa to Central Point (Oregon) | 660.09 mi (1,062.31 km) |
| Costa Mesa to Centralia (Illinois) | 1,634.95 mi (2,631.20 km) |
| Costa Mesa to Centralia (Washington) | 940.17 mi (1,513.06 km) |
| Costa Mesa to Centreville (Virginia) | 2,264.60 mi (3,644.53 km) |
| Costa Mesa to Ceres (California) | 320.86 mi (516.38 km) |
| Costa Mesa to Cerritos (California) | 16.51 mi (26.56 km) |
| Costa Mesa to Chalco (Nebraska) | 1,298.29 mi (2,089.40 km) |
| Costa Mesa to Chalmette (Louisiana) | 1,655.92 mi (2,664.94 km) |
| Costa Mesa to Chambersburg (Pennsylvania) | 2,249.40 mi (3,620.06 km) |
| Costa Mesa to Chamblee (Georgia) | 1,921.75 mi (3,092.76 km) |
| Costa Mesa to Champaign (Illinois) | 1,688.68 mi (2,717.67 km) |
| Costa Mesa to Champlin (Minnesota) | 1,522.17 mi (2,449.70 km) |
| Costa Mesa to Chandler (Arizona) | 350.33 mi (563.80 km) |
| Costa Mesa to Chanhassen (Minnesota) | 1,506.02 mi (2,423.70 km) |
| Costa Mesa to Channahon (Illinois) | 1,700.81 mi (2,737.18 km) |
