| Key West to Home Gardens (California) | 2,236.16 mi (3,598.76 km) |
| Key West to Homer Glen (Illinois) | 1,229.49 mi (1,978.68 km) |
| Key West to Homestead (Florida) | 104.04 mi (167.43 km) |
| Key West to Homewood (Alabama) | 685.56 mi (1,103.31 km) |
| Key West to Homewood (Illinois) | 1,221.85 mi (1,966.38 km) |
| Key West to Homosassa Springs (Florida) | 297.23 mi (478.34 km) |
| Key West to Honeygo (Maryland) | 1,071.72 mi (1,724.76 km) |
| Key West to Honolulu (Hawaii) | 4,780.95 mi (7,694.19 km) |
| Key West to Hoover (Alabama) | 680.27 mi (1,094.79 km) |
| Key West to Hopatcong (New Jersey) | 1,204.48 mi (1,938.42 km) |
| Key West to Hope Mills (North Carolina) | 738.53 mi (1,188.55 km) |
| Key West to Hopewell (Virginia) | 918.23 mi (1,477.75 km) |
| Key West to Hopkins (Minnesota) | 1,550.26 mi (2,494.90 km) |
| Key West to Hopkinsville (Kentucky) | 912.65 mi (1,468.76 km) |
| Key West to Horizon City (Texas) | 1,562.67 mi (2,514.87 km) |
