| Seal Beach to Hamtramck (Michigan) | 1,979.98 mi (3,186.47 km) |
| Seal Beach to Hanahan (South Carolina) | 2,185.48 mi (3,517.18 km) |
| Seal Beach to Hanford (California) | 199.07 mi (320.38 km) |
| Seal Beach to Hannibal (Missouri) | 1,527.11 mi (2,457.64 km) |
| Seal Beach to Hanover (Pennsylvania) | 2,291.36 mi (3,687.58 km) |
| Seal Beach to Hanover Park (Illinois) | 1,718.02 mi (2,764.89 km) |
| Seal Beach to Happy Valley (Oregon) | 840.62 mi (1,352.84 km) |
| Seal Beach to Harker Heights (Texas) | 1,204.01 mi (1,937.66 km) |
| Seal Beach to Harlingen (Texas) | 1,323.54 mi (2,130.03 km) |
| Seal Beach to Harper Woods (Michigan) | 1,986.71 mi (3,197.30 km) |
| Seal Beach to Harrisburg (North Carolina) | 2,120.14 mi (3,412.03 km) |
| Seal Beach to Harrisburg (Pennsylvania) | 2,295.29 mi (3,693.91 km) |
| Seal Beach to Harrison (Arkansas) | 1,418.70 mi (2,283.18 km) |
| Seal Beach to Harrison (New Jersey) | 2,437.21 mi (3,922.31 km) |
| Seal Beach to Harrison (New York) | 2,458.85 mi (3,957.14 km) |
