| Heiloo to Lagoa | 1,776.43 mi (2,858.89 km) |
| Heiloo to Lagos | 1,251.09 mi (2,013.44 km) |
| Heiloo to Lamego | 987.77 mi (1,589.66 km) |
| Heiloo to Leiria | 1,094.53 mi (1,761.48 km) |
| Heiloo to Lisbon | 1,164.96 mi (1,874.83 km) |
| Heiloo to Loule | 1,231.69 mi (1,982.21 km) |
| Heiloo to Loures | 1,158.97 mi (1,865.18 km) |
| Heiloo to Lourinha | 1,138.88 mi (1,832.86 km) |
| Heiloo to Lousa | 1,057.93 mi (1,702.57 km) |
| Heiloo to Lousada | 988.33 mi (1,590.57 km) |
| Heiloo to Macedo de Cavaleiros | 938.78 mi (1,510.83 km) |
| Heiloo to Mafamude | 1,009.42 mi (1,624.51 km) |
| Heiloo to Mafra | 1,157.07 mi (1,862.13 km) |
| Heiloo to Maia | 1,003.02 mi (1,614.21 km) |
| Heiloo to Mangualde | 1,015.62 mi (1,634.49 km) |
