| Santander to Luzzara | 723.96 mi (1,165.11 km) |
| Santander to Luzzi | 1,073.58 mi (1,727.76 km) |
| Santander to Macerata | 865.17 mi (1,392.36 km) |
| Santander to Macerata Campania | 936.81 mi (1,507.66 km) |
| Santander to Macomer | 683.52 mi (1,100.02 km) |
| Santander to Maddaloni | 943.29 mi (1,518.08 km) |
| Santander to Magenta | 639.69 mi (1,029.48 km) |
| Santander to Magione | 803.77 mi (1,293.54 km) |
| Santander to Maglie | 1,150.01 mi (1,850.76 km) |
| Santander to Magnago | 637.33 mi (1,025.69 km) |
| Santander to Malalbergo | 764.94 mi (1,231.06 km) |
| Santander to Malnate | 643.66 mi (1,035.88 km) |
| Santander to Malo | 762.74 mi (1,227.51 km) |
| Santander to Mandello del Lario | 665.60 mi (1,071.19 km) |
| Santander to Manduria | 1,118.82 mi (1,800.57 km) |
