| Horley to Montevarchi | 760.63 mi (1,224.11 km) |
| Horley to Monticello Conte Otto | 661.50 mi (1,064.59 km) |
| Horley to Montichiari | 626.69 mi (1,008.56 km) |
| Horley to Montignoso | 689.11 mi (1,109.02 km) |
| Horley to Montopoli in Val d'Arno | 726.39 mi (1,169.01 km) |
| Horley to Monza | 579.78 mi (933.07 km) |
| Horley to Morbegno | 563.91 mi (907.53 km) |
| Horley to Mori | 628.22 mi (1,011.02 km) |
| Horley to Morlupo | 864.08 mi (1,390.61 km) |
| Horley to Morrovalle | 840.82 mi (1,353.16 km) |
| Horley to Mortara | 579.12 mi (932.00 km) |
| Horley to Mosciano Sant'Angelo | 879.40 mi (1,415.26 km) |
| Horley to Motta di Livenza | 692.52 mi (1,114.50 km) |
| Horley to Motta Sant'Anastasia | 1,200.17 mi (1,931.49 km) |
| Horley to Mottola | 1,097.24 mi (1,765.84 km) |
