| Guadarrama to Mickleover | 853.23 mi (1,373.14 km) |
| Guadarrama to Middlesbrough | 969.60 mi (1,560.43 km) |
| Guadarrama to Middleton | 894.47 mi (1,439.51 km) |
| Guadarrama to Middlewich | 868.41 mi (1,397.57 km) |
| Guadarrama to Midsomer Norton | 737.18 mi (1,186.37 km) |
| Guadarrama to Mildenhall | 835.12 mi (1,343.99 km) |
| Guadarrama to Milford Haven | 764.23 mi (1,229.91 km) |
| Guadarrama to Mill Hill | 778.32 mi (1,252.58 km) |
| Guadarrama to Milngavie | 1,055.06 mi (1,697.95 km) |
| Guadarrama to Milnrow | 898.61 mi (1,446.17 km) |
| Guadarrama to Milton | 860.03 mi (1,384.08 km) |
| Guadarrama to Milton Keynes | 801.05 mi (1,289.17 km) |
| Guadarrama to Minehead | 728.21 mi (1,171.95 km) |
| Guadarrama to Minster | 778.44 mi (1,252.77 km) |
| Guadarrama to Mirfield | 905.66 mi (1,457.52 km) |
