| Alton to Masanasa | 811.74 mi (1,306.37 km) |
| Alton to Masquefa | 679.52 mi (1,093.59 km) |
| Alton to Matadepera | 674.76 mi (1,085.93 km) |
| Alton to Mazarron | 936.46 mi (1,507.09 km) |
| Alton to Meco | 740.68 mi (1,192.01 km) |
| Alton to Medina del Campo | 705.86 mi (1,135.98 km) |
| Alton to Medina Sidonia | 1,043.37 mi (1,679.14 km) |
| Alton to Mejorada del Campo | 751.87 mi (1,210.02 km) |
| Alton to Meliana | 803.61 mi (1,293.29 km) |
| Alton to Mengibar | 921.18 mi (1,482.50 km) |
| Alton to Merida | 885.27 mi (1,424.71 km) |
| Alton to Miajadas | 864.87 mi (1,391.87 km) |
| Alton to Mieres | 590.13 mi (949.73 km) |
| Alton to Miguelturra | 854.00 mi (1,374.38 km) |
| Alton to Mijas | 1,021.32 mi (1,643.66 km) |
