| Costa Mesa to Harrison (Wisconsin) | 1,737.75 mi (2,796.63 km) |
| Costa Mesa to Harrisonburg (Virginia) | 2,189.08 mi (3,522.99 km) |
| Costa Mesa to Hartford (Connecticut) | 2,504.67 mi (4,030.87 km) |
| Costa Mesa to Hartford (Wisconsin) | 1,719.40 mi (2,767.10 km) |
| Costa Mesa to Hartselle (Alabama) | 1,766.98 mi (2,843.68 km) |
| Costa Mesa to Hartsville (Tennessee) | 1,798.45 mi (2,894.33 km) |
| Costa Mesa to Harvey (Illinois) | 1,733.83 mi (2,790.33 km) |
| Costa Mesa to Harvey (Louisiana) | 1,651.22 mi (2,657.39 km) |
| Costa Mesa to Hasbrouck Heights (New Jersey) | 2,435.21 mi (3,919.09 km) |
| Costa Mesa to Haslett (Michigan) | 1,909.85 mi (3,073.60 km) |
| Costa Mesa to Hastings (Minnesota) | 1,535.10 mi (2,470.51 km) |
| Costa Mesa to Hastings (Nebraska) | 1,173.83 mi (1,889.09 km) |
| Costa Mesa to Hattiesburg (Mississippi) | 1,669.28 mi (2,686.44 km) |
| Costa Mesa to Hauppauge (New York) | 2,480.41 mi (3,991.84 km) |
| Costa Mesa to Havelock (North Carolina) | 2,326.46 mi (3,744.08 km) |
