| Houston to Hazelwood (Missouri) | 684.32 mi (1,101.31 km) |
| Houston to Hazleton (Pennsylvania) | 1,333.54 mi (2,146.13 km) |
| Houston to Healdsburg (California) | 1,676.64 mi (2,698.29 km) |
| Houston to Heath (Ohio) | 1,017.02 mi (1,636.73 km) |
| Houston to Heber (Utah) | 1,165.82 mi (1,876.20 km) |
| Houston to Helena (Alabama) | 556.08 mi (894.93 km) |
| Houston to Helena (Montana) | 1,464.84 mi (2,357.44 km) |
| Houston to Hemet (California) | 1,295.83 mi (2,085.43 km) |
| Houston to Henderson (Kentucky) | 713.95 mi (1,148.99 km) |
| Houston to Henderson (Nevada) | 1,215.68 mi (1,956.44 km) |
| Houston to Henderson (North Carolina) | 1,079.73 mi (1,737.65 km) |
| Houston to Henderson (Texas) | 167.58 mi (269.69 km) |
| Houston to Hendersonville (North Carolina) | 843.72 mi (1,357.84 km) |
| Houston to Hendersonville (Tennessee) | 679.17 mi (1,093.01 km) |
| Houston to Hercules (California) | 1,635.12 mi (2,631.48 km) |
