| Portales to Masanasa | 5,367.55 mi (8,638.24 km) |
| Portales to Masquefa | 5,380.42 mi (8,658.95 km) |
| Portales to Matadepera | 5,385.32 mi (8,666.84 km) |
| Portales to Mazarron | 5,397.17 mi (8,685.91 km) |
| Portales to Meco | 5,194.64 mi (8,359.97 km) |
| Portales to Medina del Campo | 5,096.91 mi (8,202.69 km) |
| Portales to Medina Sidonia | 5,227.43 mi (8,412.74 km) |
| Portales to Mejorada del Campo | 5,197.85 mi (8,365.13 km) |
| Portales to Meliana | 5,365.10 mi (8,634.30 km) |
| Portales to Mengibar | 5,269.50 mi (8,480.44 km) |
| Portales to Merida | 5,119.57 mi (8,239.15 km) |
| Portales to Miajadas | 5,122.78 mi (8,244.31 km) |
| Portales to Mieres | 4,989.74 mi (8,030.21 km) |
| Portales to Miguelturra | 5,225.78 mi (8,410.08 km) |
| Portales to Mijas | 5,282.63 mi (8,501.57 km) |
