| Gaithersburg to Herzberg | 4,184.59 mi (6,734.44 km) |
| Gaithersburg to Herzberg am Harz | 4,074.13 mi (6,556.68 km) |
| Gaithersburg to Herzogenaurach | 4,158.62 mi (6,692.65 km) |
| Gaithersburg to Herzogenrath | 3,929.20 mi (6,323.43 km) |
| Gaithersburg to Hessisch Lichtenau | 4,063.24 mi (6,539.16 km) |
| Gaithersburg to Hessisch Oldendorf | 4,017.17 mi (6,465.01 km) |
| Gaithersburg to Hettstedt | 4,119.66 mi (6,629.95 km) |
| Gaithersburg to Heubach | 4,144.51 mi (6,669.95 km) |
| Gaithersburg to Heusenstamm | 4,060.64 mi (6,534.97 km) |
| Gaithersburg to Heusweiler | 4,005.46 mi (6,446.17 km) |
| Gaithersburg to Hiddenhausen | 3,992.67 mi (6,425.57 km) |
| Gaithersburg to Hilchenbach | 4,005.69 mi (6,446.54 km) |
| Gaithersburg to Hildburghausen | 4,127.34 mi (6,642.31 km) |
| Gaithersburg to Hilden | 3,954.41 mi (6,364.01 km) |
| Gaithersburg to Hildesheim | 4,044.64 mi (6,509.22 km) |
