| Horley to Montigny-les-Metz | 314.50 mi (506.14 km) |
| Horley to Montivilliers | 113.59 mi (182.81 km) |
| Horley to Montlouis-sur-Loire | 265.41 mi (427.13 km) |
| Horley to Montlucon | 357.00 mi (574.54 km) |
| Horley to Montmagny | 188.60 mi (303.52 km) |
| Horley to Montmorency | 187.04 mi (301.01 km) |
| Horley to Montpellier | 555.54 mi (894.05 km) |
| Horley to Montreuil | 197.51 mi (317.87 km) |
| Horley to Montrouge | 196.92 mi (316.91 km) |
| Horley to Morangis | 203.67 mi (327.78 km) |
| Horley to Morieres-les-Avignon | 552.61 mi (889.34 km) |
| Horley to Morlaix | 242.19 mi (389.76 km) |
| Horley to Morsang-sur-Orge | 206.56 mi (332.42 km) |
| Horley to Mouans-Sartoux | 619.06 mi (996.28 km) |
| Horley to Mougins | 620.83 mi (999.12 km) |
