| Santander to Manerbio | 699.42 mi (1,125.61 km) |
| Santander to Manfredonia | 1,009.39 mi (1,624.45 km) |
| Santander to Maniago | 829.41 mi (1,334.81 km) |
| Santander to Mantova | 730.04 mi (1,174.88 km) |
| Santander to Maranello | 731.97 mi (1,178.00 km) |
| Santander to Marano di Napoli | 935.92 mi (1,506.22 km) |
| Santander to Marano Vicentino | 764.42 mi (1,230.21 km) |
| Santander to Marcianise | 939.13 mi (1,511.38 km) |
| Santander to Marcon | 805.14 mi (1,295.74 km) |
| Santander to Mareno di Piave | 809.48 mi (1,302.73 km) |
| Santander to Margherita di Savoia | 1,025.63 mi (1,650.60 km) |
| Santander to Mariano Comense | 656.79 mi (1,057.01 km) |
| Santander to Marigliano | 948.59 mi (1,526.60 km) |
| Santander to Marino | 844.28 mi (1,358.74 km) |
| Santander to Marostica | 775.41 mi (1,247.90 km) |
