| Horley to Mombris | 416.16 mi (669.75 km) |
| Horley to Monchengladbach | 285.96 mi (460.21 km) |
| Horley to Monschau | 283.42 mi (456.11 km) |
| Horley to Montabaur | 352.72 mi (567.65 km) |
| Horley to Moosburg | 570.33 mi (917.86 km) |
| Horley to Morbach | 333.64 mi (536.95 km) |
| Horley to Morfelden-Walldorf | 392.29 mi (631.34 km) |
| Horley to Morlenbach | 406.99 mi (654.99 km) |
| Horley to Morsbach | 343.36 mi (552.58 km) |
| Horley to Mosbach | 430.07 mi (692.13 km) |
| Horley to Mosigkau | 534.82 mi (860.70 km) |
| Horley to Mossingen | 453.51 mi (729.85 km) |
| Horley to Much | 329.26 mi (529.89 km) |
| Horley to Mucheln | 517.40 mi (832.67 km) |
| Horley to Muhlacker | 427.87 mi (688.59 km) |
