| Glenmont to Lagoa | 3,639.42 mi (5,857.08 km) |
| Glenmont to Lagoa | 2,749.73 mi (4,425.27 km) |
| Glenmont to Lagos | 3,629.14 mi (5,840.53 km) |
| Glenmont to Lamego | 3,562.27 mi (5,732.92 km) |
| Glenmont to Leiria | 3,549.57 mi (5,712.49 km) |
| Glenmont to Lisbon | 3,559.92 mi (5,729.13 km) |
| Glenmont to Loule | 3,661.45 mi (5,892.54 km) |
| Glenmont to Loures | 3,556.15 mi (5,723.07 km) |
| Glenmont to Lourinha | 3,538.77 mi (5,695.10 km) |
| Glenmont to Lousa | 3,567.00 mi (5,740.53 km) |
| Glenmont to Lousada | 3,536.39 mi (5,691.28 km) |
| Glenmont to Macedo de Cavaleiros | 3,591.73 mi (5,780.33 km) |
| Glenmont to Mafamude | 3,523.56 mi (5,670.62 km) |
| Glenmont to Mafra | 3,545.05 mi (5,705.21 km) |
| Glenmont to Maia | 3,519.91 mi (5,664.75 km) |
