| Portes-les-Valence to Leopoldsburg | 431.75 mi (694.83 km) |
| Portes-les-Valence to Lessines | 406.62 mi (654.39 km) |
| Portes-les-Valence to Leuven | 415.33 mi (668.41 km) |
| Portes-les-Valence to Lichtervelde | 433.16 mi (697.10 km) |
| Portes-les-Valence to Liedekerke | 415.73 mi (669.05 km) |
| Portes-les-Valence to Liege | 399.72 mi (643.28 km) |
| Portes-les-Valence to Lierre | 432.76 mi (696.46 km) |
| Portes-les-Valence to Lille | 439.44 mi (707.21 km) |
| Portes-les-Valence to Lint | 431.76 mi (694.85 km) |
| Portes-les-Valence to Lochristi | 432.91 mi (696.70 km) |
| Portes-les-Valence to Lokeren | 432.19 mi (695.55 km) |
| Portes-les-Valence to Lommel | 439.90 mi (707.95 km) |
| Portes-les-Valence to Londerzeel | 424.15 mi (682.60 km) |
| Portes-les-Valence to Louvain-la-Neuve | 400.67 mi (644.81 km) |
| Portes-les-Valence to Lovendegem | 434.23 mi (698.83 km) |
