| Gaithersburg to Los Alamos (New Mexico) | 1,602.07 mi (2,578.29 km) |
| Gaithersburg to Los Altos (California) | 2,413.41 mi (3,884.02 km) |
| Gaithersburg to Los Angeles (California) | 2,290.65 mi (3,686.45 km) |
| Gaithersburg to Los Banos (California) | 2,353.58 mi (3,787.72 km) |
| Gaithersburg to Los Gatos (California) | 2,408.86 mi (3,876.68 km) |
| Gaithersburg to Los Lunas (New Mexico) | 1,651.63 mi (2,658.05 km) |
| Gaithersburg to Los Osos (California) | 2,390.98 mi (3,847.92 km) |
| Gaithersburg to Loudoun Valley Estates (Virginia) | 19.09 mi (30.72 km) |
| Gaithersburg to Louisville (Colorado) | 1,483.02 mi (2,386.69 km) |
| Gaithersburg to Louisville (Kentucky) | 459.89 mi (740.12 km) |
| Gaithersburg to Lovejoy (Georgia) | 557.51 mi (897.23 km) |
| Gaithersburg to Loveland (Colorado) | 1,475.38 mi (2,374.40 km) |
| Gaithersburg to Loveland (Ohio) | 378.04 mi (608.39 km) |
| Gaithersburg to Loves Park (Illinois) | 654.74 mi (1,053.71 km) |
| Gaithersburg to Lovington (New Mexico) | 1,515.27 mi (2,438.59 km) |
