| Frederick to Hormigueros (Puerto Rico) | 1,594.86 mi (2,566.67 km) |
| Frederick to Horn Lake (Mississippi) | 760.42 mi (1,223.77 km) |
| Frederick to Hot Springs (Arkansas) | 926.80 mi (1,491.54 km) |
| Frederick to Hot Springs Village (Arkansas) | 917.36 mi (1,476.35 km) |
| Frederick to Houma (Louisiana) | 1,015.88 mi (1,634.90 km) |
| Frederick to Houston (Texas) | 1,216.69 mi (1,958.07 km) |
| Frederick to Howard (Wisconsin) | 652.31 mi (1,049.78 km) |
| Frederick to Huber Heights (Ohio) | 357.52 mi (575.37 km) |
| Frederick to Hudson (Florida) | 822.37 mi (1,323.48 km) |
| Frederick to Hudson (Ohio) | 246.03 mi (395.94 km) |
| Frederick to Hudson (Wisconsin) | 870.27 mi (1,400.56 km) |
| Frederick to Hueytown (Alabama) | 675.86 mi (1,087.69 km) |
| Frederick to Hugo (Minnesota) | 885.65 mi (1,425.32 km) |
| Frederick to Humacao (Puerto Rico) | 1,625.94 mi (2,616.70 km) |
| Frederick to Humble (Texas) | 1,202.13 mi (1,934.65 km) |
