| Mercer Island to Hereford (Texas) | 1,348.81 mi (2,170.70 km) |
| Mercer Island to Hermiston (Oregon) | 183.94 mi (296.02 km) |
| Mercer Island to Hermitage (Pennsylvania) | 2,082.56 mi (3,351.56 km) |
| Mercer Island to Hermosa Beach (California) | 967.39 mi (1,556.86 km) |
| Mercer Island to Hernando (Mississippi) | 1,873.41 mi (3,014.95 km) |
| Mercer Island to Herndon (Virginia) | 2,298.58 mi (3,699.20 km) |
| Mercer Island to Herriman (Utah) | 703.55 mi (1,132.25 km) |
| Mercer Island to Herrin (Illinois) | 1,799.40 mi (2,895.85 km) |
| Mercer Island to Hershey (Pennsylvania) | 2,289.18 mi (3,684.07 km) |
| Mercer Island to Hesperia (California) | 944.81 mi (1,520.53 km) |
| Mercer Island to Hewitt (Texas) | 1,724.33 mi (2,775.04 km) |
| Mercer Island to Hialeah (Florida) | 2,716.08 mi (4,371.11 km) |
| Mercer Island to Hialeah Gardens (Florida) | 2,712.88 mi (4,365.96 km) |
| Mercer Island to Hibbing (Minnesota) | 1,359.26 mi (2,187.52 km) |
| Mercer Island to Hickory (North Carolina) | 2,233.60 mi (3,594.63 km) |
