| Merchweiler to Lagoa | 1,801.82 mi (2,899.75 km) |
| Merchweiler to Lagos | 1,154.95 mi (1,858.71 km) |
| Merchweiler to Lamego | 918.73 mi (1,478.55 km) |
| Merchweiler to Leiria | 1,021.33 mi (1,643.68 km) |
| Merchweiler to Lisbon | 1,085.77 mi (1,747.39 km) |
| Merchweiler to Loule | 1,129.84 mi (1,818.30 km) |
| Merchweiler to Loures | 1,080.86 mi (1,739.48 km) |
| Merchweiler to Lourinha | 1,065.54 mi (1,714.82 km) |
| Merchweiler to Lousa | 982.94 mi (1,581.89 km) |
| Merchweiler to Lousada | 925.80 mi (1,489.92 km) |
| Merchweiler to Macedo de Cavaleiros | 865.91 mi (1,393.54 km) |
| Merchweiler to Mafamude | 948.38 mi (1,526.27 km) |
| Merchweiler to Mafra | 1,081.41 mi (1,740.37 km) |
| Merchweiler to Maia | 943.42 mi (1,518.30 km) |
| Merchweiler to Mangualde | 940.80 mi (1,514.08 km) |
