| Grimbergen to Lagoa | 1,720.56 mi (2,768.97 km) |
| Grimbergen to Lagos | 1,151.22 mi (1,852.71 km) |
| Grimbergen to Lamego | 894.20 mi (1,439.08 km) |
| Grimbergen to Leiria | 1,000.36 mi (1,609.93 km) |
| Grimbergen to Lisbon | 1,069.40 mi (1,721.04 km) |
| Grimbergen to Loule | 1,130.28 mi (1,819.01 km) |
| Grimbergen to Loures | 1,063.69 mi (1,711.84 km) |
| Grimbergen to Lourinha | 1,044.90 mi (1,681.60 km) |
| Grimbergen to Lousa | 963.04 mi (1,549.86 km) |
| Grimbergen to Lousada | 896.73 mi (1,443.15 km) |
| Grimbergen to Macedo de Cavaleiros | 843.76 mi (1,357.89 km) |
| Grimbergen to Mafamude | 918.42 mi (1,478.05 km) |
| Grimbergen to Mafra | 1,062.49 mi (1,709.92 km) |
| Grimbergen to Maia | 912.43 mi (1,468.41 km) |
| Grimbergen to Mangualde | 920.54 mi (1,481.46 km) |
