| Grootegast to Lagoa | 1,853.10 mi (2,982.28 km) |
| Grootegast to Lagos | 1,324.70 mi (2,131.89 km) |
| Grootegast to Lamego | 1,063.32 mi (1,711.25 km) |
| Grootegast to Leiria | 1,169.97 mi (1,882.89 km) |
| Grootegast to Lisbon | 1,240.04 mi (1,995.65 km) |
| Grootegast to Loule | 1,304.63 mi (2,099.59 km) |
| Grootegast to Loures | 1,234.13 mi (1,986.13 km) |
| Grootegast to Lourinha | 1,214.39 mi (1,954.38 km) |
| Grootegast to Lousa | 1,133.15 mi (1,823.64 km) |
| Grootegast to Lousada | 1,064.35 mi (1,712.91 km) |
| Grootegast to Macedo de Cavaleiros | 1,013.91 mi (1,631.73 km) |
| Grootegast to Mafamude | 1,085.58 mi (1,747.08 km) |
| Grootegast to Mafra | 1,232.43 mi (1,983.40 km) |
| Grootegast to Maia | 1,079.27 mi (1,736.91 km) |
| Grootegast to Mangualde | 1,090.78 mi (1,755.43 km) |
