| Gross-Zimmern to Lagoa | 1,887.33 mi (3,037.37 km) |
| Gross-Zimmern to Lagos | 1,238.54 mi (1,993.24 km) |
| Gross-Zimmern to Lamego | 1,004.89 mi (1,617.22 km) |
| Gross-Zimmern to Leiria | 1,107.10 mi (1,781.71 km) |
| Gross-Zimmern to Lisbon | 1,171.03 mi (1,884.59 km) |
| Gross-Zimmern to Loule | 1,212.85 mi (1,951.90 km) |
| Gross-Zimmern to Loures | 1,166.20 mi (1,876.82 km) |
| Gross-Zimmern to Lourinha | 1,151.23 mi (1,852.72 km) |
| Gross-Zimmern to Lousa | 1,068.66 mi (1,719.85 km) |
| Gross-Zimmern to Lousada | 1,012.24 mi (1,629.04 km) |
| Gross-Zimmern to Macedo de Cavaleiros | 951.97 mi (1,532.04 km) |
| Gross-Zimmern to Mafamude | 1,034.85 mi (1,665.43 km) |
| Gross-Zimmern to Mafra | 1,166.92 mi (1,877.98 km) |
| Gross-Zimmern to Maia | 1,029.96 mi (1,657.56 km) |
| Gross-Zimmern to Mangualde | 1,026.61 mi (1,652.17 km) |
