| Guadarrama to Melzo | 757.42 mi (1,218.95 km) |
| Guadarrama to Mendicino | 1,076.08 mi (1,731.79 km) |
| Guadarrama to Menfi | 936.67 mi (1,507.42 km) |
| Guadarrama to Mentana | 871.81 mi (1,403.05 km) |
| Guadarrama to Merano | 865.32 mi (1,392.60 km) |
| Guadarrama to Merate | 763.29 mi (1,228.40 km) |
| Guadarrama to Mercato San Severino | 985.40 mi (1,585.85 km) |
| Guadarrama to Mercogliano | 983.24 mi (1,582.37 km) |
| Guadarrama to Mesagne | 1,145.01 mi (1,842.71 km) |
| Guadarrama to Messina | 1,059.86 mi (1,705.68 km) |
| Guadarrama to Mestre | 886.61 mi (1,426.86 km) |
| Guadarrama to Mestrino | 863.91 mi (1,390.33 km) |
| Guadarrama to Milan | 746.36 mi (1,201.15 km) |
| Guadarrama to Milazzo | 1,042.83 mi (1,678.27 km) |
| Guadarrama to Minerbio | 834.90 mi (1,343.63 km) |
