| Guadarrama to Leigh-on-Sea | 784.20 mi (1,262.05 km) |
| Guadarrama to Leighton Buzzard | 793.67 mi (1,277.29 km) |
| Guadarrama to Leith | 1,058.44 mi (1,703.40 km) |
| Guadarrama to Lemington | 993.91 mi (1,599.54 km) |
| Guadarrama to Leominster | 800.95 mi (1,289.00 km) |
| Guadarrama to Lerwick | 1,351.99 mi (2,175.82 km) |
| Guadarrama to Letchworth | 802.22 mi (1,291.05 km) |
| Guadarrama to Leven | 1,073.62 mi (1,727.82 km) |
| Guadarrama to Lewes | 731.76 mi (1,177.65 km) |
| Guadarrama to Leyland | 901.87 mi (1,451.41 km) |
| Guadarrama to Leyton | 777.47 mi (1,251.22 km) |
| Guadarrama to Lichfield | 836.53 mi (1,346.27 km) |
| Guadarrama to Lincoln | 883.23 mi (1,421.42 km) |
| Guadarrama to Linlithgow | 1,057.78 mi (1,702.34 km) |
| Guadarrama to Linslade | 794.04 mi (1,277.89 km) |
