| SeaTac to Hagerstown (Maryland) | 2,263.76 mi (3,643.18 km) |
| SeaTac to Haines City (Florida) | 2,551.16 mi (4,105.69 km) |
| SeaTac to Halawa (Hawaii) | 2,673.91 mi (4,303.24 km) |
| SeaTac to Half Moon Bay (California) | 689.30 mi (1,109.33 km) |
| SeaTac to Halfway (Maryland) | 2,262.29 mi (3,640.80 km) |
| SeaTac to Hallandale Beach (Florida) | 2,718.01 mi (4,374.22 km) |
| SeaTac to Haltom City (Texas) | 1,651.64 mi (2,658.05 km) |
| SeaTac to Ham Lake (Minnesota) | 1,387.61 mi (2,233.15 km) |
| SeaTac to Hamilton (Ohio) | 1,952.29 mi (3,141.91 km) |
| SeaTac to Hamilton Square (New Jersey) | 2,387.50 mi (3,842.31 km) |
| SeaTac to Hammond (Indiana) | 1,745.44 mi (2,809.02 km) |
| SeaTac to Hammond (Louisiana) | 2,049.71 mi (3,298.69 km) |
| SeaTac to Hammonton (New Jersey) | 2,400.90 mi (3,863.87 km) |
| SeaTac to Hampton (Virginia) | 2,417.66 mi (3,890.85 km) |
| SeaTac to Hampton Bays (New York) | 2,465.40 mi (3,967.68 km) |
