| Sint-Martens-Lennik to Lagoa | 1,707.82 mi (2,748.48 km) |
| Sint-Martens-Lennik to Lagos | 1,137.67 mi (1,830.90 km) |
| Sint-Martens-Lennik to Lamego | 880.49 mi (1,417.02 km) |
| Sint-Martens-Lennik to Leiria | 986.66 mi (1,587.88 km) |
| Sint-Martens-Lennik to Lisbon | 1,055.73 mi (1,699.03 km) |
| Sint-Martens-Lennik to Loule | 1,116.79 mi (1,797.30 km) |
| Sint-Martens-Lennik to Loures | 1,050.01 mi (1,689.83 km) |
| Sint-Martens-Lennik to Lourinha | 1,031.20 mi (1,659.55 km) |
| Sint-Martens-Lennik to Lousa | 949.35 mi (1,527.83 km) |
| Sint-Martens-Lennik to Lousada | 883.01 mi (1,421.06 km) |
| Sint-Martens-Lennik to Macedo de Cavaleiros | 830.06 mi (1,335.86 km) |
| Sint-Martens-Lennik to Mafamude | 904.69 mi (1,455.97 km) |
| Sint-Martens-Lennik to Mafra | 1,048.80 mi (1,687.88 km) |
| Sint-Martens-Lennik to Maia | 898.70 mi (1,446.32 km) |
| Sint-Martens-Lennik to Mangualde | 906.85 mi (1,459.44 km) |
