| Most to Masquefa | 839.78 mi (1,351.50 km) |
| Most to Matadepera | 827.61 mi (1,331.91 km) |
| Most to Mazarron | 1,155.77 mi (1,860.03 km) |
| Most to Meco | 1,066.40 mi (1,716.20 km) |
| Most to Medina del Campo | 1,090.58 mi (1,755.11 km) |
| Most to Medina Sidonia | 1,370.82 mi (2,206.12 km) |
| Most to Mejorada del Campo | 1,076.38 mi (1,732.27 km) |
| Most to Meliana | 1,017.29 mi (1,637.17 km) |
| Most to Mengibar | 1,217.23 mi (1,958.94 km) |
| Most to Merida | 1,259.66 mi (2,027.23 km) |
| Most to Miajadas | 1,237.30 mi (1,991.24 km) |
| Most to Mieres | 1,040.44 mi (1,674.43 km) |
| Most to Miguelturra | 1,169.44 mi (1,882.03 km) |
| Most to Mijas | 1,319.51 mi (2,123.55 km) |
| Most to Miranda de Ebro | 951.00 mi (1,530.48 km) |
