| Portishead to Masanasa | 842.06 mi (1,355.17 km) |
| Portishead to Masquefa | 722.75 mi (1,163.15 km) |
| Portishead to Matadepera | 719.18 mi (1,157.40 km) |
| Portishead to Mazarron | 962.01 mi (1,548.20 km) |
| Portishead to Meco | 755.67 mi (1,216.14 km) |
| Portishead to Medina del Campo | 711.01 mi (1,144.26 km) |
| Portishead to Medina Sidonia | 1,049.12 mi (1,688.40 km) |
| Portishead to Mejorada del Campo | 766.64 mi (1,233.78 km) |
| Portishead to Meliana | 834.24 mi (1,342.57 km) |
| Portishead to Mengibar | 935.23 mi (1,505.11 km) |
| Portishead to Merida | 886.40 mi (1,426.53 km) |
| Portishead to Miajadas | 866.95 mi (1,395.22 km) |
| Portishead to Mieres | 585.95 mi (943.00 km) |
| Portishead to Miguelturra | 866.76 mi (1,394.91 km) |
| Portishead to Mijas | 1,032.48 mi (1,661.62 km) |
