| Slough to Manerbio | 648.15 mi (1,043.09 km) |
| Slough to Manfredonia | 1,035.02 mi (1,665.70 km) |
| Slough to Maniago | 707.16 mi (1,138.07 km) |
| Slough to Mantova | 681.16 mi (1,096.22 km) |
| Slough to Maranello | 714.38 mi (1,149.69 km) |
| Slough to Marano di Napoli | 1,014.22 mi (1,632.23 km) |
| Slough to Marano Vicentino | 678.85 mi (1,092.51 km) |
| Slough to Marcianise | 1,010.90 mi (1,626.89 km) |
| Slough to Marcon | 717.36 mi (1,154.47 km) |
| Slough to Mareno di Piave | 706.88 mi (1,137.61 km) |
| Slough to Margherita di Savoia | 1,056.72 mi (1,700.63 km) |
| Slough to Mariano Comense | 599.39 mi (964.62 km) |
| Slough to Marigliano | 1,021.20 mi (1,643.47 km) |
| Slough to Marino | 918.34 mi (1,477.93 km) |
| Slough to Marostica | 684.99 mi (1,102.39 km) |
