| Costa Mesa to Hanahan (South Carolina) | 2,177.50 mi (3,504.35 km) |
| Costa Mesa to Hanford (California) | 208.58 mi (335.68 km) |
| Costa Mesa to Hannibal (Missouri) | 1,521.20 mi (2,448.13 km) |
| Costa Mesa to Hanover (Pennsylvania) | 2,285.32 mi (3,677.86 km) |
| Costa Mesa to Hanover Park (Illinois) | 1,712.89 mi (2,756.63 km) |
| Costa Mesa to Happy Valley (Oregon) | 848.82 mi (1,366.05 km) |
| Costa Mesa to Harker Heights (Texas) | 1,194.61 mi (1,922.54 km) |
| Costa Mesa to Harlingen (Texas) | 1,313.05 mi (2,113.15 km) |
| Costa Mesa to Harper Woods (Michigan) | 1,981.55 mi (3,188.99 km) |
| Costa Mesa to Harrisburg (North Carolina) | 2,112.75 mi (3,400.15 km) |
| Costa Mesa to Harrisburg (Pennsylvania) | 2,289.39 mi (3,684.41 km) |
| Costa Mesa to Harrison (Arkansas) | 1,411.38 mi (2,271.40 km) |
| Costa Mesa to Harrison (New Jersey) | 2,431.47 mi (3,913.07 km) |
| Costa Mesa to Harrison (New York) | 2,453.19 mi (3,948.03 km) |
| Costa Mesa to Harrison (Ohio) | 1,869.95 mi (3,009.39 km) |
