| Horley to Massarosa | 702.38 mi (1,130.36 km) |
| Horley to Matelica | 823.59 mi (1,325.44 km) |
| Horley to Matera | 1,080.22 mi (1,738.44 km) |
| Horley to Matino | 1,166.99 mi (1,878.09 km) |
| Horley to Mazzarino | 1,189.22 mi (1,913.86 km) |
| Horley to Meda | 572.07 mi (920.65 km) |
| Horley to Medesano | 650.29 mi (1,046.54 km) |
| Horley to Medicina | 715.12 mi (1,150.88 km) |
| Horley to Meldola | 746.78 mi (1,201.82 km) |
| Horley to Melegnano | 592.58 mi (953.67 km) |
| Horley to Melendugno | 1,162.42 mi (1,870.73 km) |
| Horley to Melfi | 1,029.91 mi (1,657.47 km) |
| Horley to Melilli | 1,223.00 mi (1,968.24 km) |
| Horley to Melito di Napoli | 986.32 mi (1,587.32 km) |
| Horley to Melito di Porto Salvo | 1,201.49 mi (1,933.61 km) |
