| Hwlffordd to Mancha Real | 970.49 mi (1,561.85 km) |
| Hwlffordd to Manilva | 1,065.28 mi (1,714.40 km) |
| Hwlffordd to Manises | 878.12 mi (1,413.21 km) |
| Hwlffordd to Manlleu | 757.89 mi (1,219.71 km) |
| Hwlffordd to Manresa | 766.00 mi (1,232.76 km) |
| Hwlffordd to Manzanares | 887.97 mi (1,429.05 km) |
| Hwlffordd to Manzanares el Real | 766.86 mi (1,234.15 km) |
| Hwlffordd to Maracena | 1,010.87 mi (1,626.83 km) |
| Hwlffordd to Marbella | 1,055.98 mi (1,699.44 km) |
| Hwlffordd to Marchena | 999.79 mi (1,609.00 km) |
| Hwlffordd to Marin | 672.97 mi (1,083.04 km) |
| Hwlffordd to Marratxi | 917.69 mi (1,476.87 km) |
| Hwlffordd to Martorell | 784.10 mi (1,261.89 km) |
| Hwlffordd to Martos | 974.28 mi (1,567.95 km) |
| Hwlffordd to Masamagrell | 873.71 mi (1,406.10 km) |
