| Clay to Mancha Real | 4,502.09 mi (7,245.41 km) |
| Clay to Manilva | 4,460.00 mi (7,177.67 km) |
| Clay to Manises | 4,607.55 mi (7,415.14 km) |
| Clay to Manlleu | 4,661.73 mi (7,502.33 km) |
| Clay to Manresa | 4,648.86 mi (7,481.62 km) |
| Clay to Manzanares | 4,479.50 mi (7,209.07 km) |
| Clay to Manzanares el Real | 4,407.92 mi (7,093.86 km) |
| Clay to Maracena | 4,517.93 mi (7,270.90 km) |
| Clay to Marbella | 4,474.74 mi (7,201.40 km) |
| Clay to Marchena | 4,424.76 mi (7,120.97 km) |
| Clay to Marin | 4,133.04 mi (6,651.48 km) |
| Clay to Marratxi | 4,755.94 mi (7,653.95 km) |
| Clay to Martorell | 4,661.13 mi (7,501.36 km) |
| Clay to Martos | 4,486.46 mi (7,220.26 km) |
| Clay to Masamagrell | 4,610.76 mi (7,420.30 km) |
