| Heerlen to Lagoa | 1,785.23 mi (2,873.04 km) |
| Heerlen to Lagos | 1,194.22 mi (1,921.91 km) |
| Heerlen to Lamego | 943.22 mi (1,517.96 km) |
| Heerlen to Leiria | 1,048.59 mi (1,687.55 km) |
| Heerlen to Lisbon | 1,116.36 mi (1,796.61 km) |
| Heerlen to Loule | 1,171.81 mi (1,885.85 km) |
| Heerlen to Loures | 1,110.89 mi (1,787.80 km) |
| Heerlen to Lourinha | 1,093.14 mi (1,759.25 km) |
| Heerlen to Lousa | 1,010.83 mi (1,626.77 km) |
| Heerlen to Lousada | 947.15 mi (1,524.28 km) |
| Heerlen to Macedo de Cavaleiros | 891.85 mi (1,435.30 km) |
| Heerlen to Mafamude | 969.17 mi (1,559.73 km) |
| Heerlen to Mafra | 1,110.24 mi (1,786.76 km) |
| Heerlen to Maia | 963.47 mi (1,550.56 km) |
| Heerlen to Mangualde | 968.31 mi (1,558.35 km) |
