| SeaTac to Havelock (North Carolina) | 2,474.20 mi (3,981.84 km) |
| SeaTac to Haverhill (Massachusetts) | 2,472.09 mi (3,978.44 km) |
| SeaTac to Havre de Grace (Maryland) | 2,341.80 mi (3,768.76 km) |
| SeaTac to Hawaiian Gardens (California) | 965.99 mi (1,554.61 km) |
| SeaTac to Hawaiian Paradise Park (Hawaii) | 2,655.90 mi (4,274.26 km) |
| SeaTac to Hawthorne (California) | 957.12 mi (1,540.34 km) |
| SeaTac to Hawthorne (New Jersey) | 2,386.84 mi (3,841.25 km) |
| SeaTac to Hayden (Idaho) | 256.88 mi (413.41 km) |
| SeaTac to Hayesville (Oregon) | 173.35 mi (278.98 km) |
| SeaTac to Hays (Kansas) | 1,293.56 mi (2,081.78 km) |
| SeaTac to Haysville (Kansas) | 1,433.44 mi (2,306.90 km) |
| SeaTac to Hayward (California) | 678.01 mi (1,091.15 km) |
| SeaTac to Hazel Crest (Illinois) | 1,737.43 mi (2,796.13 km) |
| SeaTac to Hazel Dell (Washington) | 123.10 mi (198.11 km) |
| SeaTac to Hazel Park (Michigan) | 1,926.31 mi (3,100.10 km) |
