| Concordia Sagittaria to Masquefa | 624.79 mi (1,005.51 km) |
| Concordia Sagittaria to Matadepera | 611.89 mi (984.74 km) |
| Concordia Sagittaria to Mazarron | 921.11 mi (1,482.39 km) |
| Concordia Sagittaria to Meco | 889.18 mi (1,431.00 km) |
| Concordia Sagittaria to Medina del Campo | 939.55 mi (1,512.05 km) |
| Concordia Sagittaria to Medina Sidonia | 1,164.71 mi (1,874.42 km) |
| Concordia Sagittaria to Mejorada del Campo | 897.26 mi (1,444.01 km) |
| Concordia Sagittaria to Meliana | 795.82 mi (1,280.75 km) |
| Concordia Sagittaria to Mengibar | 1,009.38 mi (1,624.44 km) |
| Concordia Sagittaria to Merida | 1,084.91 mi (1,746.00 km) |
| Concordia Sagittaria to Miajadas | 1,063.64 mi (1,711.77 km) |
| Concordia Sagittaria to Mieres | 931.87 mi (1,499.71 km) |
| Concordia Sagittaria to Miguelturra | 975.12 mi (1,569.30 km) |
| Concordia Sagittaria to Mijas | 1,104.11 mi (1,776.89 km) |
| Concordia Sagittaria to Miranda de Ebro | 808.48 mi (1,301.12 km) |
