| Harrow to Lagoa | 1,074.09 mi (1,728.58 km) |
| Harrow to Lagoa | 1,552.32 mi (2,498.22 km) |
| Harrow to Lagos | 1,080.13 mi (1,738.31 km) |
| Harrow to Lamego | 806.05 mi (1,297.22 km) |
| Harrow to Leiria | 912.41 mi (1,468.39 km) |
| Harrow to Lisbon | 984.88 mi (1,585.01 km) |
| Harrow to Loule | 1,065.09 mi (1,714.09 km) |
| Harrow to Loures | 978.35 mi (1,574.50 km) |
| Harrow to Lourinha | 955.82 mi (1,538.25 km) |
| Harrow to Lousa | 877.85 mi (1,412.76 km) |
| Harrow to Lousada | 802.71 mi (1,291.83 km) |
| Harrow to Macedo de Cavaleiros | 761.08 mi (1,224.85 km) |
| Harrow to Mafamude | 822.34 mi (1,323.43 km) |
| Harrow to Mafra | 975.00 mi (1,569.11 km) |
| Harrow to Maia | 815.29 mi (1,312.08 km) |
