| Houston to Hillcrest Heights (Maryland) | 1,219.89 mi (1,963.23 km) |
| Houston to Hilliard (Ohio) | 988.92 mi (1,591.51 km) |
| Houston to Hillsboro (Oregon) | 1,843.09 mi (2,966.17 km) |
| Houston to Hillsborough (California) | 1,634.28 mi (2,630.13 km) |
| Houston to Hillsborough (New Jersey) | 1,380.64 mi (2,221.93 km) |
| Houston to Hilo (Hawaii) | 3,770.64 mi (6,068.26 km) |
| Houston to Hilton Head Island (South Carolina) | 882.09 mi (1,419.58 km) |
| Houston to Hinesville (Georgia) | 828.92 mi (1,334.01 km) |
| Houston to Hinsdale (Illinois) | 928.57 mi (1,494.39 km) |
| Houston to Hobart (Indiana) | 928.59 mi (1,494.42 km) |
| Houston to Hobbs (New Mexico) | 501.83 mi (807.62 km) |
| Houston to Hobe Sound (Florida) | 944.37 mi (1,519.81 km) |
| Houston to Hoboken (New Jersey) | 1,417.28 mi (2,280.89 km) |
| Houston to Hockessin (Delaware) | 1,309.94 mi (2,108.14 km) |
| Houston to Hoffman Estates (Illinois) | 939.22 mi (1,511.53 km) |
