| Mercer Island to Hamtramck (Michigan) | 1,926.43 mi (3,100.28 km) |
| Mercer Island to Hanahan (South Carolina) | 2,408.49 mi (3,876.09 km) |
| Mercer Island to Hanford (California) | 787.61 mi (1,267.53 km) |
| Mercer Island to Hannibal (Missouri) | 1,622.03 mi (2,610.41 km) |
| Mercer Island to Hanover (Pennsylvania) | 2,288.89 mi (3,683.61 km) |
| Mercer Island to Hanover Park (Illinois) | 1,701.22 mi (2,737.85 km) |
| Mercer Island to Happy Valley (Oregon) | 147.77 mi (237.82 km) |
| Mercer Island to Harker Heights (Texas) | 1,726.79 mi (2,779.00 km) |
| Mercer Island to Harlingen (Texas) | 1,987.86 mi (3,199.16 km) |
| Mercer Island to Harper Woods (Michigan) | 1,931.08 mi (3,107.77 km) |
| Mercer Island to Harrisburg (North Carolina) | 2,281.60 mi (3,671.87 km) |
| Mercer Island to Harrisburg (Pennsylvania) | 2,278.26 mi (3,666.51 km) |
| Mercer Island to Harrison (Arkansas) | 1,675.23 mi (2,696.03 km) |
| Mercer Island to Harrison (New Jersey) | 2,389.84 mi (3,846.07 km) |
| Mercer Island to Harrison (New York) | 2,400.90 mi (3,863.88 km) |
