| Horley to Minervino Murge | 1,039.91 mi (1,673.57 km) |
| Horley to Minturno | 951.66 mi (1,531.56 km) |
| Horley to Mira | 689.15 mi (1,109.08 km) |
| Horley to Mirandola | 675.68 mi (1,087.41 km) |
| Horley to Mirano | 685.18 mi (1,102.69 km) |
| Horley to Misano Adriatico | 777.83 mi (1,251.80 km) |
| Horley to Misilmeri | 1,124.55 mi (1,809.79 km) |
| Horley to Missaglia | 576.16 mi (927.24 km) |
| Horley to Misterbianco | 1,200.33 mi (1,931.74 km) |
| Horley to Modena | 682.51 mi (1,098.40 km) |
| Horley to Modica | 1,230.94 mi (1,981.01 km) |
| Horley to Modugno | 1,065.61 mi (1,714.93 km) |
| Horley to Mogliano Veneto | 687.61 mi (1,106.60 km) |
| Horley to Molfetta | 1,053.19 mi (1,694.95 km) |
| Horley to Molinella | 709.88 mi (1,142.44 km) |
