| Guadarrama to Mitcham | 764.62 mi (1,230.54 km) |
| Guadarrama to Mold | 864.35 mi (1,391.04 km) |
| Guadarrama to Molesey | 762.22 mi (1,226.68 km) |
| Guadarrama to Monkseaton | 1,000.16 mi (1,609.60 km) |
| Guadarrama to Monmouth | 772.24 mi (1,242.81 km) |
| Guadarrama to Montrose | 1,110.31 mi (1,786.88 km) |
| Guadarrama to Morden | 764.16 mi (1,229.80 km) |
| Guadarrama to Morecambe | 927.58 mi (1,492.80 km) |
| Guadarrama to Moreton | 880.62 mi (1,417.21 km) |
| Guadarrama to Morley | 910.85 mi (1,465.87 km) |
| Guadarrama to Morpeth | 1,007.47 mi (1,621.37 km) |
| Guadarrama to Morriston | 759.50 mi (1,222.30 km) |
| Guadarrama to Mosbrough | 883.41 mi (1,421.70 km) |
| Guadarrama to Mossley | 892.42 mi (1,436.21 km) |
| Guadarrama to Moston | 891.78 mi (1,435.17 km) |
