| Slough to Massarosa | 731.17 mi (1,176.71 km) |
| Slough to Matelica | 851.78 mi (1,370.81 km) |
| Slough to Matera | 1,108.29 mi (1,783.62 km) |
| Slough to Matino | 1,194.83 mi (1,922.90 km) |
| Slough to Mazzarino | 1,218.41 mi (1,960.84 km) |
| Slough to Meda | 600.47 mi (966.37 km) |
| Slough to Medesano | 678.81 mi (1,092.43 km) |
| Slough to Medicina | 743.21 mi (1,196.08 km) |
| Slough to Meldola | 774.89 mi (1,247.06 km) |
| Slough to Melegnano | 621.10 mi (999.56 km) |
| Slough to Melendugno | 1,190.11 mi (1,915.30 km) |
| Slough to Melfi | 1,058.14 mi (1,702.92 km) |
| Slough to Melilli | 1,252.11 mi (2,015.08 km) |
| Slough to Melito di Napoli | 1,014.96 mi (1,633.42 km) |
| Slough to Melito di Porto Salvo | 1,230.41 mi (1,980.16 km) |
