| SeaTac to Harrison (Ohio) | 1,946.51 mi (3,132.61 km) |
| SeaTac to Harrison (Wisconsin) | 1,639.42 mi (2,638.38 km) |
| SeaTac to Harrisonburg (Virginia) | 2,250.92 mi (3,622.51 km) |
| SeaTac to Hartford (Connecticut) | 2,429.71 mi (3,910.24 km) |
| SeaTac to Hartford (Wisconsin) | 1,656.93 mi (2,666.58 km) |
| SeaTac to Hartselle (Alabama) | 2,029.32 mi (3,265.87 km) |
| SeaTac to Hartsville (Tennessee) | 1,986.76 mi (3,197.39 km) |
| SeaTac to Harvey (Illinois) | 1,738.19 mi (2,797.34 km) |
| SeaTac to Harvey (Louisiana) | 2,096.18 mi (3,373.47 km) |
| SeaTac to Hasbrouck Heights (New Jersey) | 2,393.80 mi (3,852.44 km) |
| SeaTac to Haslett (Michigan) | 1,857.49 mi (2,989.35 km) |
| SeaTac to Hastings (Minnesota) | 1,414.75 mi (2,276.82 km) |
| SeaTac to Hastings (Nebraska) | 1,272.26 mi (2,047.50 km) |
| SeaTac to Hattiesburg (Mississippi) | 2,061.25 mi (3,317.27 km) |
| SeaTac to Hauppauge (New York) | 2,435.09 mi (3,918.91 km) |
