| Gaithersburg to Lebanon (Indiana) | 495.80 mi (797.91 km) |
| Gaithersburg to Lebanon (Missouri) | 841.44 mi (1,354.17 km) |
| Gaithersburg to Lebanon (New Hampshire) | 403.34 mi (649.11 km) |
| Gaithersburg to Lebanon (Ohio) | 374.83 mi (603.23 km) |
| Gaithersburg to Lebanon (Oregon) | 2,350.51 mi (3,782.77 km) |
| Gaithersburg to Lebanon (Pennsylvania) | 93.34 mi (150.22 km) |
| Gaithersburg to Lebanon (Tennessee) | 538.75 mi (867.03 km) |
| Gaithersburg to Lee's Summit (Missouri) | 920.28 mi (1,481.05 km) |
| Gaithersburg to Leeds (Alabama) | 647.53 mi (1,042.11 km) |
| Gaithersburg to Leesburg (Florida) | 764.64 mi (1,230.57 km) |
| Gaithersburg to Leesburg (Virginia) | 18.40 mi (29.62 km) |
| Gaithersburg to Lehi (Utah) | 1,830.83 mi (2,946.43 km) |
| Gaithersburg to Lehigh Acres (Florida) | 902.20 mi (1,451.96 km) |
| Gaithersburg to Leisure City (Florida) | 960.92 mi (1,546.46 km) |
| Gaithersburg to Leland (North Carolina) | 343.63 mi (553.02 km) |
