| Costa Mesa to Hermiston (Oregon) | 843.70 mi (1,357.80 km) |
| Costa Mesa to Hermitage (Pennsylvania) | 2,103.37 mi (3,385.05 km) |
| Costa Mesa to Hermosa Beach (California) | 30.94 mi (49.79 km) |
| Costa Mesa to Hernando (Mississippi) | 1,591.44 mi (2,561.18 km) |
| Costa Mesa to Herndon (Virginia) | 2,266.84 mi (3,648.12 km) |
| Costa Mesa to Herriman (Utah) | 572.30 mi (921.03 km) |
| Costa Mesa to Herrin (Illinois) | 1,638.17 mi (2,636.38 km) |
| Costa Mesa to Hershey (Pennsylvania) | 2,301.94 mi (3,704.61 km) |
| Costa Mesa to Hesperia (California) | 61.03 mi (98.22 km) |
| Costa Mesa to Hewitt (Texas) | 1,214.06 mi (1,953.84 km) |
| Costa Mesa to Hialeah (Florida) | 2,305.66 mi (3,710.60 km) |
| Costa Mesa to Hialeah Gardens (Florida) | 2,302.17 mi (3,704.98 km) |
| Costa Mesa to Hibbing (Minnesota) | 1,606.51 mi (2,585.43 km) |
| Costa Mesa to Hickory (North Carolina) | 2,071.39 mi (3,333.57 km) |
| Costa Mesa to Hickory Hills (Illinois) | 1,726.08 mi (2,777.86 km) |
