| Key West to Hagerstown (Maryland) | 1,068.01 mi (1,718.80 km) |
| Key West to Haines City (Florida) | 245.21 mi (394.63 km) |
| Key West to Halawa (Hawaii) | 4,784.31 mi (7,699.60 km) |
| Key West to Half Moon Bay (California) | 2,544.33 mi (4,094.70 km) |
| Key West to Halfway (Maryland) | 1,065.79 mi (1,715.22 km) |
| Key West to Hallandale Beach (Florida) | 141.70 mi (228.05 km) |
| Key West to Haltom City (Texas) | 1,096.75 mi (1,765.04 km) |
| Key West to Ham Lake (Minnesota) | 1,565.58 mi (2,519.56 km) |
| Key West to Hamilton (Ohio) | 1,037.42 mi (1,669.57 km) |
| Key West to Hamilton Square (New Jersey) | 1,158.08 mi (1,863.75 km) |
| Key West to Hammond (Indiana) | 1,222.99 mi (1,968.22 km) |
| Key West to Hammond (Louisiana) | 671.34 mi (1,080.42 km) |
| Key West to Hammonton (New Jersey) | 1,119.64 mi (1,801.88 km) |
| Key West to Hampton (Virginia) | 920.44 mi (1,481.30 km) |
| Key West to Hampton Bays (New York) | 1,246.63 mi (2,006.25 km) |
