| Gaithersburg to Lemay (Missouri) | 704.14 mi (1,133.21 km) |
| Gaithersburg to Lemon Grove (California) | 2,252.70 mi (3,625.37 km) |
| Gaithersburg to Lemon Hill (California) | 2,357.85 mi (3,794.60 km) |
| Gaithersburg to Lemont (Illinois) | 592.68 mi (953.82 km) |
| Gaithersburg to Lemoore (California) | 2,314.55 mi (3,724.90 km) |
| Gaithersburg to Lenexa (Kansas) | 942.39 mi (1,516.64 km) |
| Gaithersburg to Lennox (California) | 2,292.44 mi (3,689.33 km) |
| Gaithersburg to Lenoir (North Carolina) | 324.71 mi (522.57 km) |
| Gaithersburg to Leominster (Massachusetts) | 368.20 mi (592.56 km) |
| Gaithersburg to Leon Valley (Texas) | 1,386.06 mi (2,230.65 km) |
| Gaithersburg to Levelland (Texas) | 1,445.86 mi (2,326.89 km) |
| Gaithersburg to Levittown (New York) | 224.70 mi (361.62 km) |
| Gaithersburg to Levittown (Pennsylvania) | 143.94 mi (231.64 km) |
| Gaithersburg to Lewisburg (Tennessee) | 584.29 mi (940.33 km) |
| Gaithersburg to Lewiston (Idaho) | 2,055.99 mi (3,308.80 km) |
