| River Grove to Leopoldsburg | 4,168.88 mi (6,709.16 km) |
| River Grove to Lessines | 4,129.93 mi (6,646.47 km) |
| River Grove to Leuven | 4,156.53 mi (6,689.30 km) |
| River Grove to Lichtervelde | 4,092.54 mi (6,586.30 km) |
| River Grove to Liedekerke | 4,134.04 mi (6,653.09 km) |
| River Grove to Liege | 4,197.79 mi (6,755.68 km) |
| River Grove to Lierre | 4,142.69 mi (6,667.01 km) |
| River Grove to Lille | 4,149.05 mi (6,677.25 km) |
| River Grove to Lint | 4,140.17 mi (6,662.96 km) |
| River Grove to Lochristi | 4,116.48 mi (6,624.84 km) |
| River Grove to Lokeren | 4,122.09 mi (6,633.87 km) |
| River Grove to Lommel | 4,166.96 mi (6,706.08 km) |
| River Grove to Londerzeel | 4,137.45 mi (6,658.58 km) |
| River Grove to Louvain-la-Neuve | 4,156.76 mi (6,689.66 km) |
| River Grove to Lovendegem | 4,107.75 mi (6,610.78 km) |
