| Upper Grand Lagoon to Leopoldsburg | 4,667.74 mi (7,512.01 km) |
| Upper Grand Lagoon to Lessines | 4,619.24 mi (7,433.95 km) |
| Upper Grand Lagoon to Leuven | 4,650.79 mi (7,484.73 km) |
| Upper Grand Lagoon to Lichtervelde | 4,583.15 mi (7,375.87 km) |
| Upper Grand Lagoon to Liedekerke | 4,625.96 mi (7,444.77 km) |
| Upper Grand Lagoon to Liege | 4,692.34 mi (7,551.59 km) |
| Upper Grand Lagoon to Lierre | 4,639.35 mi (7,466.32 km) |
| Upper Grand Lagoon to Lille | 4,647.78 mi (7,479.88 km) |
| Upper Grand Lagoon to Lint | 4,636.36 mi (7,461.50 km) |
| Upper Grand Lagoon to Lochristi | 4,610.25 mi (7,419.48 km) |
| Upper Grand Lagoon to Lokeren | 4,616.38 mi (7,429.34 km) |
| Upper Grand Lagoon to Lommel | 4,667.36 mi (7,511.40 km) |
| Upper Grand Lagoon to Londerzeel | 4,631.66 mi (7,453.94 km) |
| Upper Grand Lagoon to Louvain-la-Neuve | 4,647.82 mi (7,479.95 km) |
| Upper Grand Lagoon to Lovendegem | 4,600.72 mi (7,404.15 km) |
