| Gaithersburg to Largo (Florida) | 838.64 mi (1,349.66 km) |
| Gaithersburg to Largo (Maryland) | 27.11 mi (43.63 km) |
| Gaithersburg to Larkspur (California) | 2,424.83 mi (3,902.38 km) |
| Gaithersburg to Las Cruces (New Mexico) | 1,715.72 mi (2,761.18 km) |
| Gaithersburg to Las Vegas (Nevada) | 2,075.12 mi (3,339.58 km) |
| Gaithersburg to Las Vegas (New Mexico) | 1,550.90 mi (2,495.93 km) |
| Gaithersburg to Latham (New York) | 307.87 mi (495.47 km) |
| Gaithersburg to Lathrop (California) | 2,363.60 mi (3,803.85 km) |
| Gaithersburg to Lauderdale Lakes (Florida) | 912.45 mi (1,468.44 km) |
| Gaithersburg to Lauderhill (Florida) | 913.22 mi (1,469.68 km) |
| Gaithersburg to Laurel (Florida) | 881.32 mi (1,418.34 km) |
| Gaithersburg to Laurel (Maryland) | 19.01 mi (30.59 km) |
| Gaithersburg to Laurel (Mississippi) | 844.66 mi (1,359.34 km) |
| Gaithersburg to Laurel (Virginia) | 104.65 mi (168.42 km) |
| Gaithersburg to Laurinburg (North Carolina) | 327.05 mi (526.33 km) |
