| Mountain Ash to Hilliard (Ohio) | 3,725.45 mi (5,995.53 km) |
| Mountain Ash to Hillsboro (Oregon) | 4,821.49 mi (7,759.43 km) |
| Mountain Ash to Hillsborough (California) | 5,258.53 mi (8,462.79 km) |
| Mountain Ash to Hillsborough (New Jersey) | 3,359.75 mi (5,406.99 km) |
| Mountain Ash to Hilo (Hawaii) | 7,217.55 mi (11,615.52 km) |
| Mountain Ash to Hilton Head Island (South Carolina) | 3,994.47 mi (6,428.48 km) |
| Mountain Ash to Hinesville (Georgia) | 4,048.23 mi (6,515.00 km) |
| Mountain Ash to Hinsdale (Illinois) | 3,832.46 mi (6,167.76 km) |
| Mountain Ash to Hobart (Indiana) | 3,820.25 mi (6,148.10 km) |
| Mountain Ash to Hobbs (New Mexico) | 4,863.66 mi (7,827.30 km) |
| Mountain Ash to Hobe Sound (Florida) | 4,220.64 mi (6,792.47 km) |
| Mountain Ash to Hoboken (New Jersey) | 3,323.86 mi (5,349.24 km) |
| Mountain Ash to Hockessin (Delaware) | 3,433.42 mi (5,525.56 km) |
| Mountain Ash to Hoffman Estates (Illinois) | 3,828.88 mi (6,161.99 km) |
| Mountain Ash to Holbrook (New York) | 3,282.30 mi (5,282.34 km) |
