| Greenford to Manerbio | 640.84 mi (1,031.33 km) |
| Greenford to Manfredonia | 1,027.45 mi (1,653.52 km) |
| Greenford to Maniago | 698.62 mi (1,124.33 km) |
| Greenford to Mantova | 673.72 mi (1,084.24 km) |
| Greenford to Maranello | 707.23 mi (1,138.18 km) |
| Greenford to Marano di Napoli | 1,007.40 mi (1,621.26 km) |
| Greenford to Marano Vicentino | 670.90 mi (1,079.72 km) |
| Greenford to Marcianise | 1,004.00 mi (1,615.78 km) |
| Greenford to Marcon | 709.22 mi (1,141.38 km) |
| Greenford to Mareno di Piave | 698.59 mi (1,124.27 km) |
| Greenford to Margherita di Savoia | 1,049.18 mi (1,688.49 km) |
| Greenford to Mariano Comense | 592.28 mi (953.18 km) |
| Greenford to Marigliano | 1,014.29 mi (1,632.34 km) |
| Greenford to Marino | 911.73 mi (1,467.29 km) |
| Greenford to Marostica | 676.95 mi (1,089.44 km) |
