| Saint-Omer to Leopoldsburg | 132.87 mi (213.83 km) |
| Saint-Omer to Lessines | 68.80 mi (110.73 km) |
| Saint-Omer to Leuven | 106.88 mi (172.01 km) |
| Saint-Omer to Lichtervelde | 42.82 mi (68.92 km) |
| Saint-Omer to Liedekerke | 79.99 mi (128.73 km) |
| Saint-Omer to Liege | 145.05 mi (233.43 km) |
| Saint-Omer to Lierre | 103.85 mi (167.13 km) |
| Saint-Omer to Lille | 116.78 mi (187.94 km) |
| Saint-Omer to Lint | 100.07 mi (161.04 km) |
| Saint-Omer to Lochristi | 72.67 mi (116.95 km) |
| Saint-Omer to Lokeren | 78.86 mi (126.90 km) |
| Saint-Omer to Lommel | 137.05 mi (220.56 km) |
| Saint-Omer to Londerzeel | 90.59 mi (145.79 km) |
| Saint-Omer to Louvain-la-Neuve | 98.14 mi (157.93 km) |
| Saint-Omer to Lovendegem | 63.18 mi (101.69 km) |
