| Guadarrama to Leopoldsburg | 848.57 mi (1,365.65 km) |
| Guadarrama to Lessines | 791.26 mi (1,273.41 km) |
| Guadarrama to Leuven | 821.53 mi (1,322.12 km) |
| Guadarrama to Lichtervelde | 794.84 mi (1,279.16 km) |
| Guadarrama to Liedekerke | 805.83 mi (1,296.86 km) |
| Guadarrama to Liege | 830.25 mi (1,336.15 km) |
| Guadarrama to Lierre | 832.69 mi (1,340.08 km) |
| Guadarrama to Lille | 844.82 mi (1,359.60 km) |
| Guadarrama to Lint | 829.75 mi (1,335.36 km) |
| Guadarrama to Lochristi | 813.89 mi (1,309.83 km) |
| Guadarrama to Lokeren | 817.25 mi (1,315.23 km) |
| Guadarrama to Lommel | 856.66 mi (1,378.66 km) |
| Guadarrama to Londerzeel | 818.67 mi (1,317.52 km) |
| Guadarrama to Louvain-la-Neuve | 804.24 mi (1,294.30 km) |
| Guadarrama to Lovendegem | 808.77 mi (1,301.59 km) |
