| San Mateo to Mancha Real | 5,930.89 mi (9,544.84 km) |
| San Mateo to Manilva | 5,936.46 mi (9,553.81 km) |
| San Mateo to Manises | 5,962.72 mi (9,596.07 km) |
| San Mateo to Manlleu | 5,927.93 mi (9,540.08 km) |
| San Mateo to Manresa | 5,926.85 mi (9,538.35 km) |
| San Mateo to Manzanares | 5,879.95 mi (9,462.87 km) |
| San Mateo to Manzanares el Real | 5,776.33 mi (9,296.10 km) |
| San Mateo to Maracena | 5,959.14 mi (9,590.31 km) |
| San Mateo to Marbella | 5,944.34 mi (9,566.49 km) |
| San Mateo to Marchena | 5,883.62 mi (9,468.77 km) |
| San Mateo to Marin | 5,516.39 mi (8,877.77 km) |
| San Mateo to Marratxi | 6,067.47 mi (9,764.64 km) |
| San Mateo to Martorell | 5,943.41 mi (9,565.00 km) |
| San Mateo to Martos | 5,920.82 mi (9,528.63 km) |
| San Mateo to Masamagrell | 5,962.59 mi (9,595.87 km) |
