| Herndon to Havelock (North Carolina) | 281.95 mi (453.76 km) |
| Herndon to Haverhill (Massachusetts) | 421.40 mi (678.17 km) |
| Herndon to Havre de Grace (Maryland) | 78.91 mi (126.99 km) |
| Herndon to Hawaiian Gardens (California) | 2,271.31 mi (3,655.32 km) |
| Herndon to Hawaiian Paradise Park (Hawaii) | 4,725.23 mi (7,604.52 km) |
| Herndon to Hawthorne (California) | 2,283.96 mi (3,675.67 km) |
| Herndon to Hawthorne (New Jersey) | 219.28 mi (352.90 km) |
| Herndon to Hayden (Idaho) | 2,046.15 mi (3,292.97 km) |
| Herndon to Hayesville (Oregon) | 2,346.46 mi (3,776.26 km) |
| Herndon to Hays (Kansas) | 1,176.21 mi (1,892.93 km) |
| Herndon to Haysville (Kansas) | 1,085.26 mi (1,746.55 km) |
| Herndon to Hayward (California) | 2,400.35 mi (3,862.99 km) |
| Herndon to Hazel Crest (Illinois) | 571.74 mi (920.12 km) |
| Herndon to Hazel Dell (Washington) | 2,326.36 mi (3,743.91 km) |
| Herndon to Hazel Park (Michigan) | 384.11 mi (618.17 km) |
