| Trets to Masquefa | 238.64 mi (384.05 km) |
| Trets to Matadepera | 225.75 mi (363.31 km) |
| Trets to Mazarron | 545.90 mi (878.54 km) |
| Trets to Meco | 503.70 mi (810.63 km) |
| Trets to Medina del Campo | 560.71 mi (902.37 km) |
| Trets to Medina Sidonia | 779.88 mi (1,255.10 km) |
| Trets to Mejorada del Campo | 511.40 mi (823.02 km) |
| Trets to Meliana | 413.22 mi (665.01 km) |
| Trets to Mengibar | 624.29 mi (1,004.70 km) |
| Trets to Merida | 698.67 mi (1,124.39 km) |
| Trets to Miajadas | 677.61 mi (1,090.52 km) |
| Trets to Mieres | 575.62 mi (926.38 km) |
| Trets to Miguelturra | 588.24 mi (946.68 km) |
| Trets to Mijas | 721.43 mi (1,161.03 km) |
| Trets to Miranda de Ebro | 438.06 mi (704.99 km) |
