| Grimbergen to Lessines | 28.29 mi (45.53 km) |
| Grimbergen to Leuven | 14.22 mi (22.89 km) |
| Grimbergen to Lichtervelde | 54.81 mi (88.21 km) |
| Grimbergen to Liedekerke | 13.86 mi (22.30 km) |
| Grimbergen to Liege | 55.69 mi (89.62 km) |
| Grimbergen to Lierre | 15.95 mi (25.67 km) |
| Grimbergen to Lille | 28.48 mi (45.83 km) |
| Grimbergen to Lint | 13.40 mi (21.56 km) |
| Grimbergen to Lochristi | 26.54 mi (42.71 km) |
| Grimbergen to Lokeren | 20.86 mi (33.56 km) |
| Grimbergen to Lommel | 45.51 mi (73.24 km) |
| Grimbergen to Londerzeel | 5.86 mi (9.44 km) |
| Grimbergen to Louvain-la-Neuve | 19.11 mi (30.76 km) |
| Grimbergen to Lovendegem | 35.94 mi (57.84 km) |
| Grimbergen to Lubbeek | 20.27 mi (32.63 km) |
