| Gaithersburg to Hennef | 3,978.86 mi (6,403.36 km) |
| Gaithersburg to Hennigsdorf | 4,153.73 mi (6,684.78 km) |
| Gaithersburg to Henstedt-Ulzburg | 4,000.11 mi (6,437.55 km) |
| Gaithersburg to Heppenheim | 4,066.14 mi (6,543.83 km) |
| Gaithersburg to Herbolzheim | 4,073.04 mi (6,554.92 km) |
| Gaithersburg to Herborn | 4,022.52 mi (6,473.62 km) |
| Gaithersburg to Herbrechtingen | 4,159.36 mi (6,693.84 km) |
| Gaithersburg to Herdecke | 3,967.68 mi (6,385.37 km) |
| Gaithersburg to Herford | 3,996.18 mi (6,431.23 km) |
| Gaithersburg to Herne | 3,955.00 mi (6,364.96 km) |
| Gaithersburg to Herrenberg | 4,106.91 mi (6,609.43 km) |
| Gaithersburg to Herrsching am Ammersee | 4,220.36 mi (6,792.02 km) |
| Gaithersburg to Hersbruck | 4,182.59 mi (6,731.23 km) |
| Gaithersburg to Herten | 3,950.35 mi (6,357.47 km) |
| Gaithersburg to Herxheim | 4,063.78 mi (6,540.03 km) |
