| Gaithersburg to Holsbeek | 3,874.24 mi (6,234.99 km) |
| Gaithersburg to Hooglede | 3,804.52 mi (6,122.78 km) |
| Gaithersburg to Hoogstraten | 3,861.69 mi (6,214.79 km) |
| Gaithersburg to Houthulst | 3,799.19 mi (6,114.21 km) |
| Gaithersburg to Huldenberg | 3,870.32 mi (6,228.68 km) |
| Gaithersburg to Hulshout | 3,870.56 mi (6,229.07 km) |
| Gaithersburg to Huy | 3,903.67 mi (6,282.36 km) |
| Gaithersburg to Ichtegem | 3,798.18 mi (6,112.57 km) |
| Gaithersburg to Ieper | 3,799.70 mi (6,115.02 km) |
| Gaithersburg to Ingelmunster | 3,812.91 mi (6,136.29 km) |
| Gaithersburg to Izegem | 3,811.45 mi (6,133.93 km) |
| Gaithersburg to Jabbeke | 3,800.16 mi (6,115.76 km) |
| Gaithersburg to Jalhay | 3,932.13 mi (6,328.16 km) |
| Gaithersburg to Jette | 3,858.04 mi (6,208.92 km) |
| Gaithersburg to Jodoigne | 3,883.53 mi (6,249.93 km) |
