| Langenfeld to Lagoa | 1,830.18 mi (2,945.39 km) |
| Langenfeld to Lagos | 1,234.89 mi (1,987.36 km) |
| Langenfeld to Lamego | 985.88 mi (1,586.62 km) |
| Langenfeld to Leiria | 1,090.98 mi (1,755.76 km) |
| Langenfeld to Lisbon | 1,158.34 mi (1,864.16 km) |
| Langenfeld to Loule | 1,211.98 mi (1,950.50 km) |
| Langenfeld to Loures | 1,152.94 mi (1,855.48 km) |
| Langenfeld to Lourinha | 1,135.51 mi (1,827.43 km) |
| Langenfeld to Lousa | 1,053.10 mi (1,694.81 km) |
| Langenfeld to Lousada | 990.18 mi (1,593.54 km) |
| Langenfeld to Macedo de Cavaleiros | 934.28 mi (1,503.58 km) |
| Langenfeld to Mafamude | 1,012.28 mi (1,629.11 km) |
| Langenfeld to Mafra | 1,152.46 mi (1,854.70 km) |
| Langenfeld to Maia | 1,006.66 mi (1,620.07 km) |
| Langenfeld to Mangualde | 1,010.60 mi (1,626.41 km) |
