| SeaTac to Hereford (Texas) | 1,346.79 mi (2,167.44 km) |
| SeaTac to Hermiston (Oregon) | 181.18 mi (291.58 km) |
| SeaTac to Hermitage (Pennsylvania) | 2,086.20 mi (3,357.41 km) |
| SeaTac to Hermosa Beach (California) | 959.93 mi (1,544.86 km) |
| SeaTac to Hernando (Mississippi) | 1,874.08 mi (3,016.03 km) |
| SeaTac to Herndon (Virginia) | 2,301.97 mi (3,704.66 km) |
| SeaTac to Herriman (Utah) | 700.54 mi (1,127.41 km) |
| SeaTac to Herrin (Illinois) | 1,801.06 mi (2,898.52 km) |
| SeaTac to Hershey (Pennsylvania) | 2,292.94 mi (3,690.13 km) |
| SeaTac to Hesperia (California) | 937.74 mi (1,509.14 km) |
| SeaTac to Hewitt (Texas) | 1,722.66 mi (2,772.35 km) |
| SeaTac to Hialeah (Florida) | 2,716.40 mi (4,371.62 km) |
| SeaTac to Hialeah Gardens (Florida) | 2,713.19 mi (4,366.46 km) |
| SeaTac to Hibbing (Minnesota) | 1,363.86 mi (2,194.92 km) |
| SeaTac to Hickory (North Carolina) | 2,235.79 mi (3,598.15 km) |
