| Herndon to Hamtramck (Michigan) | 379.65 mi (610.99 km) |
| Herndon to Hanahan (South Carolina) | 442.15 mi (711.58 km) |
| Herndon to Hanford (California) | 2,298.82 mi (3,699.59 km) |
| Herndon to Hannibal (Missouri) | 749.48 mi (1,206.17 km) |
| Herndon to Hanover (Pennsylvania) | 62.02 mi (99.82 km) |
| Herndon to Hanover Park (Illinois) | 601.97 mi (968.78 km) |
| Herndon to Happy Valley (Oregon) | 2,320.76 mi (3,734.90 km) |
| Herndon to Harker Heights (Texas) | 1,266.23 mi (2,037.80 km) |
| Herndon to Harlingen (Texas) | 1,469.90 mi (2,365.58 km) |
| Herndon to Harper Woods (Michigan) | 376.33 mi (605.64 km) |
| Herndon to Harrisburg (North Carolina) | 310.00 mi (498.90 km) |
| Herndon to Harrisburg (Pennsylvania) | 94.07 mi (151.39 km) |
| Herndon to Harrison (Arkansas) | 880.33 mi (1,416.75 km) |
| Herndon to Harrison (New Jersey) | 210.75 mi (339.17 km) |
| Herndon to Harrison (New York) | 240.41 mi (386.91 km) |
