| Castle Rock to Leopoldsburg | 4,899.57 mi (7,885.10 km) |
| Castle Rock to Lessines | 4,869.26 mi (7,836.31 km) |
| Castle Rock to Leuven | 4,891.27 mi (7,871.74 km) |
| Castle Rock to Lichtervelde | 4,831.77 mi (7,775.98 km) |
| Castle Rock to Liedekerke | 4,871.20 mi (7,839.44 km) |
| Castle Rock to Liege | 4,931.27 mi (7,936.12 km) |
| Castle Rock to Lierre | 4,875.82 mi (7,846.88 km) |
| Castle Rock to Lille | 4,880.35 mi (7,854.16 km) |
| Castle Rock to Lint | 4,873.75 mi (7,843.55 km) |
| Castle Rock to Lochristi | 4,852.60 mi (7,809.51 km) |
| Castle Rock to Lokeren | 4,857.66 mi (7,817.66 km) |
| Castle Rock to Lommel | 4,896.45 mi (7,880.07 km) |
| Castle Rock to Londerzeel | 4,872.70 mi (7,841.85 km) |
| Castle Rock to Louvain-la-Neuve | 4,894.05 mi (7,876.21 km) |
| Castle Rock to Lovendegem | 4,844.72 mi (7,796.82 km) |
