| Gaithersburg to Hunters Creek (Florida) | 782.65 mi (1,259.56 km) |
| Gaithersburg to Huntersville (North Carolina) | 326.79 mi (525.91 km) |
| Gaithersburg to Huntington (Indiana) | 454.98 mi (732.22 km) |
| Gaithersburg to Huntington (Virginia) | 24.85 mi (39.99 km) |
| Gaithersburg to Huntington (West Virginia) | 285.63 mi (459.68 km) |
| Gaithersburg to Huntington Beach (California) | 2,279.44 mi (3,668.40 km) |
| Gaithersburg to Huntington Park (California) | 2,283.81 mi (3,675.44 km) |
| Gaithersburg to Huntington Station (New York) | 233.63 mi (375.99 km) |
| Gaithersburg to Huntley (Illinois) | 623.64 mi (1,003.65 km) |
| Gaithersburg to Huntsville (Alabama) | 603.84 mi (971.79 km) |
| Gaithersburg to Huntsville (Texas) | 1,188.17 mi (1,912.17 km) |
| Gaithersburg to Huron (South Dakota) | 1,137.24 mi (1,830.21 km) |
| Gaithersburg to Hurricane (Utah) | 1,955.64 mi (3,147.30 km) |
| Gaithersburg to Hurst (Texas) | 1,195.02 mi (1,923.20 km) |
| Gaithersburg to Hutchinson (Kansas) | 1,117.48 mi (1,798.41 km) |
