| Hwlffordd to Melzo | 785.71 mi (1,264.48 km) |
| Hwlffordd to Mendicino | 1,332.81 mi (2,144.95 km) |
| Hwlffordd to Menfi | 1,311.02 mi (2,109.88 km) |
| Hwlffordd to Mentana | 1,066.91 mi (1,717.02 km) |
| Hwlffordd to Merano | 807.08 mi (1,298.88 km) |
| Hwlffordd to Merate | 777.76 mi (1,251.68 km) |
| Hwlffordd to Mercato San Severino | 1,204.56 mi (1,938.55 km) |
| Hwlffordd to Mercogliano | 1,196.77 mi (1,926.02 km) |
| Hwlffordd to Mesagne | 1,328.34 mi (2,137.76 km) |
| Hwlffordd to Messina | 1,365.67 mi (2,197.83 km) |
| Hwlffordd to Mestre | 895.27 mi (1,440.80 km) |
| Hwlffordd to Mestrino | 878.34 mi (1,413.56 km) |
| Hwlffordd to Milan | 778.62 mi (1,253.08 km) |
| Hwlffordd to Milazzo | 1,353.42 mi (2,178.12 km) |
| Hwlffordd to Minerbio | 902.03 mi (1,451.68 km) |
