| Mercer Island to Horizon West (Florida) | 2,535.11 mi (4,079.87 km) |
| Mercer Island to Hormigueros (Puerto Rico) | 3,687.86 mi (5,935.03 km) |
| Mercer Island to Horn Lake (Mississippi) | 1,866.52 mi (3,003.88 km) |
| Mercer Island to Hot Springs (Arkansas) | 1,753.64 mi (2,822.21 km) |
| Mercer Island to Hot Springs Village (Arkansas) | 1,750.00 mi (2,816.36 km) |
| Mercer Island to Houma (Louisiana) | 2,084.68 mi (3,354.96 km) |
| Mercer Island to Houston (Texas) | 1,881.79 mi (3,028.44 km) |
| Mercer Island to Howard (Wisconsin) | 1,636.14 mi (2,633.12 km) |
| Mercer Island to Huber Heights (Ohio) | 1,955.10 mi (3,146.43 km) |
| Mercer Island to Hudson (Florida) | 2,491.13 mi (4,009.08 km) |
| Mercer Island to Hudson (Ohio) | 2,035.75 mi (3,276.22 km) |
| Mercer Island to Hudson (Wisconsin) | 1,411.89 mi (2,272.22 km) |
| Mercer Island to Hueytown (Alabama) | 2,067.76 mi (3,327.74 km) |
| Mercer Island to Hugo (Minnesota) | 1,397.06 mi (2,248.35 km) |
| Mercer Island to Humacao (Puerto Rico) | 3,746.42 mi (6,029.28 km) |
