| Costa Mesa to Hazleton (Pennsylvania) | 2,335.92 mi (3,759.31 km) |
| Costa Mesa to Healdsburg (California) | 439.81 mi (707.80 km) |
| Costa Mesa to Heath (Ohio) | 1,996.02 mi (3,212.28 km) |
| Costa Mesa to Heber (Utah) | 593.16 mi (954.60 km) |
| Costa Mesa to Helena (Alabama) | 1,781.99 mi (2,867.84 km) |
| Costa Mesa to Helena (Montana) | 945.35 mi (1,521.40 km) |
| Costa Mesa to Hemet (California) | 52.89 mi (85.12 km) |
| Costa Mesa to Henderson (Kentucky) | 1,717.38 mi (2,763.86 km) |
| Costa Mesa to Henderson (Nevada) | 229.92 mi (370.03 km) |
| Costa Mesa to Henderson (North Carolina) | 2,227.71 mi (3,585.16 km) |
| Costa Mesa to Henderson (Texas) | 1,342.16 mi (2,160.01 km) |
| Costa Mesa to Hendersonville (North Carolina) | 2,011.53 mi (3,237.24 km) |
| Costa Mesa to Hendersonville (Tennessee) | 1,774.21 mi (2,855.31 km) |
| Costa Mesa to Hercules (California) | 386.00 mi (621.21 km) |
| Costa Mesa to Hereford (Texas) | 888.75 mi (1,430.31 km) |
