| Frederick to Homer Glen (Illinois) | 572.92 mi (922.02 km) |
| Frederick to Homestead (Florida) | 980.93 mi (1,578.66 km) |
| Frederick to Homewood (Alabama) | 664.85 mi (1,069.97 km) |
| Frederick to Homewood (Illinois) | 557.67 mi (897.49 km) |
| Frederick to Homosassa Springs (Florida) | 789.89 mi (1,271.21 km) |
| Frederick to Honeygo (Maryland) | 52.66 mi (84.75 km) |
| Frederick to Honolulu (Hawaii) | 4,800.23 mi (7,725.22 km) |
| Frederick to Hoover (Alabama) | 668.65 mi (1,076.09 km) |
| Frederick to Hopatcong (New Jersey) | 179.36 mi (288.65 km) |
| Frederick to Hope Mills (North Carolina) | 319.84 mi (514.74 km) |
| Frederick to Hopewell (Virginia) | 148.14 mi (238.41 km) |
| Frederick to Hopkins (Minnesota) | 900.36 mi (1,449.00 km) |
| Frederick to Hopkinsville (Kentucky) | 575.17 mi (925.65 km) |
| Frederick to Horizon City (Texas) | 1,695.39 mi (2,728.47 km) |
| Frederick to Horizon West (Florida) | 796.46 mi (1,281.78 km) |
