| Costa Mesa to Hilliard (Ohio) | 1,958.15 mi (3,151.34 km) |
| Costa Mesa to Hillsboro (Oregon) | 861.55 mi (1,386.52 km) |
| Costa Mesa to Hillsborough (California) | 366.78 mi (590.28 km) |
| Costa Mesa to Hillsborough (New Jersey) | 2,406.11 mi (3,872.26 km) |
| Costa Mesa to Hilo (Hawaii) | 2,472.83 mi (3,979.64 km) |
| Costa Mesa to Hilton Head Island (South Carolina) | 2,146.06 mi (3,453.75 km) |
| Costa Mesa to Hinesville (Georgia) | 2,102.53 mi (3,383.70 km) |
| Costa Mesa to Hinsdale (Illinois) | 1,721.85 mi (2,771.05 km) |
| Costa Mesa to Hobart (Indiana) | 1,752.30 mi (2,820.05 km) |
| Costa Mesa to Hobbs (New Mexico) | 854.73 mi (1,375.55 km) |
| Costa Mesa to Hobe Sound (Florida) | 2,284.20 mi (3,676.07 km) |
| Costa Mesa to Hoboken (New Jersey) | 2,437.99 mi (3,923.57 km) |
| Costa Mesa to Hockessin (Delaware) | 2,354.45 mi (3,789.12 km) |
| Costa Mesa to Hoffman Estates (Illinois) | 1,713.75 mi (2,758.01 km) |
| Costa Mesa to Holbrook (New York) | 2,487.87 mi (4,003.85 km) |
