| Gaithersburg to Halstenbek | 3,998.20 mi (6,434.49 km) |
| Gaithersburg to Halver | 3,975.01 mi (6,397.17 km) |
| Gaithersburg to Hambuhren | 4,032.01 mi (6,488.90 km) |
| Gaithersburg to Hamburg | 4,006.64 mi (6,448.07 km) |
| Gaithersburg to Hameln | 4,023.58 mi (6,475.32 km) |
| Gaithersburg to Hamm | 3,974.93 mi (6,397.04 km) |
| Gaithersburg to Hammelburg | 4,102.68 mi (6,602.62 km) |
| Gaithersburg to Hamminkeln | 3,925.39 mi (6,317.30 km) |
| Gaithersburg to Hanau | 4,062.90 mi (6,538.60 km) |
| Gaithersburg to Handewitt | 3,947.88 mi (6,353.51 km) |
| Gaithersburg to Hannover | 4,029.44 mi (6,484.76 km) |
| Gaithersburg to Hannoversch Munden | 4,054.30 mi (6,524.76 km) |
| Gaithersburg to Haren | 3,922.16 mi (6,312.10 km) |
| Gaithersburg to Harrislee | 3,949.26 mi (6,355.72 km) |
| Gaithersburg to Harsefeld | 3,990.64 mi (6,422.32 km) |
