| Gaithersburg to Leopoldsburg | 3,888.65 mi (6,258.18 km) |
| Gaithersburg to Lessines | 3,841.64 mi (6,182.52 km) |
| Gaithersburg to Leuven | 3,872.42 mi (6,232.06 km) |
| Gaithersburg to Lichtervelde | 3,805.23 mi (6,123.93 km) |
| Gaithersburg to Liedekerke | 3,847.93 mi (6,192.64 km) |
| Gaithersburg to Liege | 3,914.02 mi (6,299.00 km) |
| Gaithersburg to Lierre | 3,860.56 mi (6,212.97 km) |
| Gaithersburg to Lille | 3,868.67 mi (6,226.02 km) |
| Gaithersburg to Lint | 3,857.63 mi (6,208.26 km) |
| Gaithersburg to Lochristi | 3,831.87 mi (6,166.79 km) |
| Gaithersburg to Lokeren | 3,837.92 mi (6,176.53 km) |
| Gaithersburg to Lommel | 3,888.03 mi (6,257.18 km) |
| Gaithersburg to Londerzeel | 3,853.25 mi (6,201.21 km) |
| Gaithersburg to Louvain-la-Neuve | 3,869.99 mi (6,228.15 km) |
| Gaithersburg to Lovendegem | 3,822.45 mi (6,151.63 km) |
