| Harlingen to Lagoa | 1,819.28 mi (2,927.85 km) |
| Harlingen to Lagos | 1,300.57 mi (2,093.06 km) |
| Harlingen to Lamego | 1,037.07 mi (1,669.01 km) |
| Harlingen to Leiria | 1,143.85 mi (1,840.85 km) |
| Harlingen to Lisbon | 1,214.34 mi (1,954.30 km) |
| Harlingen to Loule | 1,281.15 mi (2,061.81 km) |
| Harlingen to Loures | 1,208.34 mi (1,944.63 km) |
| Harlingen to Lourinha | 1,188.19 mi (1,912.20 km) |
| Harlingen to Lousa | 1,107.29 mi (1,782.01 km) |
| Harlingen to Lousada | 1,037.51 mi (1,669.71 km) |
| Harlingen to Macedo de Cavaleiros | 988.17 mi (1,590.30 km) |
| Harlingen to Mafamude | 1,058.55 mi (1,703.57 km) |
| Harlingen to Mafra | 1,206.41 mi (1,941.52 km) |
| Harlingen to Maia | 1,052.12 mi (1,693.22 km) |
| Harlingen to Mangualde | 1,065.00 mi (1,713.95 km) |
