| Sint-Martens-Lennik to Montemor-o-Novo | 1,033.01 mi (1,662.47 km) |
| Sint-Martens-Lennik to Montemor-o-Velho | 959.62 mi (1,544.36 km) |
| Sint-Martens-Lennik to Montijo | 1,050.77 mi (1,691.05 km) |
| Sint-Martens-Lennik to Mortagua | 930.82 mi (1,498.02 km) |
| Sint-Martens-Lennik to Moura | 1,042.77 mi (1,678.17 km) |
| Sint-Martens-Lennik to Murtosa | 926.56 mi (1,491.16 km) |
| Sint-Martens-Lennik to Nazare | 1,003.30 mi (1,614.66 km) |
| Sint-Martens-Lennik to Nelas | 914.48 mi (1,471.71 km) |
| Sint-Martens-Lennik to Obidos | 1,019.78 mi (1,641.17 km) |
| Sint-Martens-Lennik to Odemira | 1,107.84 mi (1,782.90 km) |
| Sint-Martens-Lennik to Odivelas | 1,052.87 mi (1,694.43 km) |
| Sint-Martens-Lennik to Oeiras | 1,063.12 mi (1,710.92 km) |
| Sint-Martens-Lennik to Olhao | 1,120.18 mi (1,802.76 km) |
| Sint-Martens-Lennik to Oliveira de Azemeis | 915.69 mi (1,473.65 km) |
| Sint-Martens-Lennik to Oliveira de Frades | 913.42 mi (1,470.01 km) |
