| Mountain Ash to Hormigueros (Puerto Rico) | 4,122.69 mi (6,634.84 km) |
| Mountain Ash to Horn Lake (Mississippi) | 4,241.04 mi (6,825.29 km) |
| Mountain Ash to Hot Springs (Arkansas) | 4,382.98 mi (7,053.73 km) |
| Mountain Ash to Hot Springs Village (Arkansas) | 4,371.27 mi (7,034.87 km) |
| Mountain Ash to Houma (Louisiana) | 4,535.38 mi (7,298.99 km) |
| Mountain Ash to Houston (Texas) | 4,714.24 mi (7,586.84 km) |
| Mountain Ash to Howard (Wisconsin) | 3,713.82 mi (5,976.82 km) |
| Mountain Ash to Huber Heights (Ohio) | 3,771.54 mi (6,069.70 km) |
| Mountain Ash to Hudson (Florida) | 4,263.98 mi (6,862.21 km) |
| Mountain Ash to Hudson (Ohio) | 3,602.96 mi (5,798.40 km) |
| Mountain Ash to Hudson (Wisconsin) | 3,868.28 mi (6,225.40 km) |
| Mountain Ash to Hueytown (Alabama) | 4,193.58 mi (6,748.92 km) |
| Mountain Ash to Hugo (Minnesota) | 3,867.27 mi (6,223.78 km) |
| Mountain Ash to Humacao (Puerto Rico) | 4,067.38 mi (6,545.81 km) |
| Mountain Ash to Humble (Texas) | 4,698.72 mi (7,561.87 km) |
