| Gaithersburg to Lagoa | 3,646.14 mi (5,867.90 km) |
| Gaithersburg to Lagoa | 2,757.20 mi (4,437.29 km) |
| Gaithersburg to Lagos | 3,635.87 mi (5,851.37 km) |
| Gaithersburg to Lamego | 3,568.34 mi (5,742.69 km) |
| Gaithersburg to Leiria | 3,555.91 mi (5,722.69 km) |
| Gaithersburg to Lisbon | 3,566.43 mi (5,739.62 km) |
| Gaithersburg to Loule | 3,668.15 mi (5,903.31 km) |
| Gaithersburg to Loures | 3,562.65 mi (5,733.53 km) |
| Gaithersburg to Lourinha | 3,545.22 mi (5,705.47 km) |
| Gaithersburg to Lousa | 3,573.25 mi (5,750.59 km) |
| Gaithersburg to Lousada | 3,542.45 mi (5,701.03 km) |
| Gaithersburg to Macedo de Cavaleiros | 3,597.69 mi (5,789.92 km) |
| Gaithersburg to Mafamude | 3,529.66 mi (5,680.44 km) |
| Gaithersburg to Mafra | 3,551.55 mi (5,715.66 km) |
| Gaithersburg to Maia | 3,526.00 mi (5,674.55 km) |
