| Guadarrama to Lye | 819.64 mi (1,319.08 km) |
| Guadarrama to Lymington | 706.84 mi (1,137.56 km) |
| Guadarrama to Lymm | 881.44 mi (1,418.54 km) |
| Guadarrama to Mablethorpe | 898.52 mi (1,446.03 km) |
| Guadarrama to Macclesfield | 873.81 mi (1,406.26 km) |
| Guadarrama to Mackworth | 855.14 mi (1,376.22 km) |
| Guadarrama to Madeley | 830.24 mi (1,336.15 km) |
| Guadarrama to Maesteg | 755.98 mi (1,216.63 km) |
| Guadarrama to Maghull | 889.08 mi (1,430.83 km) |
| Guadarrama to Maidenhead | 766.57 mi (1,233.68 km) |
| Guadarrama to Maidstone | 764.78 mi (1,230.79 km) |
| Guadarrama to Maldon | 796.91 mi (1,282.50 km) |
| Guadarrama to Maltby | 891.33 mi (1,434.46 km) |
| Guadarrama to Manchester | 889.01 mi (1,430.73 km) |
| Guadarrama to Mansfield | 872.26 mi (1,403.77 km) |
