| Santander to Medvode | 910.02 mi (1,464.53 km) |
| Santander to Menges | 917.47 mi (1,476.53 km) |
| Santander to Metlika | 951.28 mi (1,530.94 km) |
| Santander to Mezica | 933.49 mi (1,502.31 km) |
| Santander to Miklavz na Dravskem Polju | 973.39 mi (1,566.52 km) |
| Santander to Miren | 869.96 mi (1,400.06 km) |
| Santander to Mirna | 940.16 mi (1,513.04 km) |
| Santander to Mirna Pec | 940.79 mi (1,514.06 km) |
| Santander to Mislinja | 949.00 mi (1,527.26 km) |
| Santander to Mokronog | 944.10 mi (1,519.38 km) |
| Santander to Moravce | 925.70 mi (1,489.77 km) |
| Santander to Moravske-Toplice | 999.61 mi (1,608.72 km) |
| Santander to Mozirje | 937.11 mi (1,508.13 km) |
| Santander to Murska Sobota | 996.54 mi (1,603.78 km) |
| Santander to Muta | 949.00 mi (1,527.27 km) |
