| Greenford to Masanasa | 837.52 mi (1,347.87 km) |
| Greenford to Masquefa | 700.25 mi (1,126.95 km) |
| Greenford to Matadepera | 694.94 mi (1,118.40 km) |
| Greenford to Mazarron | 963.73 mi (1,550.97 km) |
| Greenford to Meco | 771.52 mi (1,241.64 km) |
| Greenford to Medina del Campo | 739.18 mi (1,189.59 km) |
| Greenford to Medina Sidonia | 1,076.14 mi (1,731.87 km) |
| Greenford to Mejorada del Campo | 782.75 mi (1,259.72 km) |
| Greenford to Meliana | 829.31 mi (1,334.64 km) |
| Greenford to Mengibar | 951.99 mi (1,532.08 km) |
| Greenford to Merida | 919.19 mi (1,479.30 km) |
| Greenford to Miajadas | 898.62 mi (1,446.18 km) |
| Greenford to Mieres | 625.42 mi (1,006.51 km) |
| Greenford to Miguelturra | 885.25 mi (1,424.67 km) |
| Greenford to Mijas | 1,052.79 mi (1,694.30 km) |
