| Opglabbeek to Lagoa | 1,772.42 mi (2,852.43 km) |
| Opglabbeek to Lagos | 1,191.08 mi (1,916.86 km) |
| Opglabbeek to Lamego | 937.70 mi (1,509.09 km) |
| Opglabbeek to Leiria | 1,043.42 mi (1,679.23 km) |
| Opglabbeek to Lisbon | 1,111.70 mi (1,789.11 km) |
| Opglabbeek to Loule | 1,169.20 mi (1,881.65 km) |
| Opglabbeek to Loures | 1,106.14 mi (1,780.16 km) |
| Opglabbeek to Lourinha | 1,087.98 mi (1,750.93 km) |
| Opglabbeek to Lousa | 1,005.82 mi (1,618.71 km) |
| Opglabbeek to Lousada | 941.07 mi (1,514.51 km) |
| Opglabbeek to Macedo de Cavaleiros | 886.68 mi (1,426.97 km) |
| Opglabbeek to Mafamude | 962.97 mi (1,549.75 km) |
| Opglabbeek to Mafra | 1,105.28 mi (1,778.77 km) |
| Opglabbeek to Maia | 957.15 mi (1,540.38 km) |
| Opglabbeek to Mangualde | 963.29 mi (1,550.27 km) |
