| Guadarrama to Lastra a Signa | 804.75 mi (1,295.12 km) |
| Guadarrama to Laterza | 1,092.38 mi (1,758.02 km) |
| Guadarrama to Latiano | 1,140.98 mi (1,836.22 km) |
| Guadarrama to Latina | 885.41 mi (1,424.93 km) |
| Guadarrama to Latisana | 933.01 mi (1,501.53 km) |
| Guadarrama to Lauria Inferiore | 1,047.49 mi (1,685.77 km) |
| Guadarrama to Lavagna | 727.62 mi (1,170.99 km) |
| Guadarrama to Lavello | 1,037.37 mi (1,669.48 km) |
| Guadarrama to Laveno-Mombello | 733.21 mi (1,179.99 km) |
| Guadarrama to Lavis | 849.55 mi (1,367.22 km) |
| Guadarrama to Lecce | 1,166.17 mi (1,876.77 km) |
| Guadarrama to Lecco | 765.80 mi (1,232.44 km) |
| Guadarrama to Legnago | 837.64 mi (1,348.05 km) |
| Guadarrama to Legnano | 737.09 mi (1,186.23 km) |
| Guadarrama to Legnaro | 871.26 mi (1,402.16 km) |
