| Piraeus to Lagoa | 2,653.56 mi (4,270.50 km) |
| Piraeus to Lagos | 1,763.11 mi (2,837.45 km) |
| Piraeus to Lamego | 1,681.46 mi (2,706.06 km) |
| Piraeus to Leiria | 1,740.95 mi (2,801.79 km) |
| Piraeus to Lisbon | 1,768.78 mi (2,846.57 km) |
| Piraeus to Loule | 1,726.16 mi (2,777.98 km) |
| Piraeus to Loures | 1,768.56 mi (2,846.22 km) |
| Piraeus to Lourinha | 1,771.77 mi (2,851.39 km) |
| Piraeus to Lousa | 1,709.25 mi (2,750.77 km) |
| Piraeus to Lousada | 1,703.11 mi (2,740.89 km) |
| Piraeus to Macedo de Cavaleiros | 1,636.27 mi (2,633.32 km) |
| Piraeus to Mafamude | 1,722.66 mi (2,772.36 km) |
| Piraeus to Mafra | 1,776.27 mi (2,858.62 km) |
| Piraeus to Maia | 1,722.88 mi (2,772.71 km) |
| Piraeus to Mangualde | 1,680.99 mi (2,705.29 km) |
