| Sierre to Masanasa | 622.37 mi (1,001.61 km) |
| Sierre to Masquefa | 436.69 mi (702.78 km) |
| Sierre to Matadepera | 424.49 mi (683.16 km) |
| Sierre to Mazarron | 752.74 mi (1,211.42 km) |
| Sierre to Meco | 673.21 mi (1,083.43 km) |
| Sierre to Medina del Campo | 709.35 mi (1,141.59 km) |
| Sierre to Medina Sidonia | 970.99 mi (1,562.66 km) |
| Sierre to Mejorada del Campo | 682.60 mi (1,098.54 km) |
| Sierre to Meliana | 614.25 mi (988.54 km) |
| Sierre to Mengibar | 816.44 mi (1,313.93 km) |
| Sierre to Merida | 869.04 mi (1,398.58 km) |
| Sierre to Miajadas | 846.95 mi (1,363.04 km) |
| Sierre to Mieres | 684.99 mi (1,102.39 km) |
| Sierre to Miguelturra | 771.55 mi (1,241.68 km) |
| Sierre to Mijas | 917.80 mi (1,477.05 km) |
