| SeaTac to Hazelwood (Missouri) | 1,702.23 mi (2,739.47 km) |
| SeaTac to Hazleton (Pennsylvania) | 2,302.88 mi (3,706.13 km) |
| SeaTac to Healdsburg (California) | 610.21 mi (982.03 km) |
| SeaTac to Heath (Ohio) | 2,030.74 mi (3,268.16 km) |
| SeaTac to Heber (Utah) | 722.29 mi (1,162.41 km) |
| SeaTac to Helena (Alabama) | 2,081.05 mi (3,349.13 km) |
| SeaTac to Helena (Montana) | 487.32 mi (784.26 km) |
| SeaTac to Hemet (California) | 986.68 mi (1,587.90 km) |
| SeaTac to Henderson (Kentucky) | 1,866.54 mi (3,003.90 km) |
| SeaTac to Henderson (Nevada) | 873.10 mi (1,405.12 km) |
| SeaTac to Henderson (North Carolina) | 2,348.92 mi (3,780.22 km) |
| SeaTac to Henderson (Texas) | 1,786.28 mi (2,874.75 km) |
| SeaTac to Hendersonville (North Carolina) | 2,199.37 mi (3,539.55 km) |
| SeaTac to Hendersonville (Tennessee) | 1,969.68 mi (3,169.89 km) |
| SeaTac to Hercules (California) | 652.11 mi (1,049.46 km) |
