| Valongo to Masquefa | 535.13 mi (861.22 km) |
| Valongo to Matadepera | 545.94 mi (878.61 km) |
| Valongo to Mazarron | 456.48 mi (734.63 km) |
| Valongo to Meco | 273.76 mi (440.58 km) |
| Valongo to Medina del Campo | 186.33 mi (299.86 km) |
| Valongo to Medina Sidonia | 354.27 mi (570.14 km) |
| Valongo to Mejorada del Campo | 272.95 mi (439.27 km) |
| Valongo to Meliana | 443.96 mi (714.48 km) |
| Valongo to Mengibar | 334.21 mi (537.85 km) |
| Valongo to Merida | 194.98 mi (313.79 km) |
| Valongo to Miajadas | 190.36 mi (306.35 km) |
| Valongo to Mieres | 199.54 mi (321.13 km) |
| Valongo to Miguelturra | 285.11 mi (458.85 km) |
| Valongo to Mijas | 378.75 mi (609.53 km) |
| Valongo to Miranda de Ebro | 304.25 mi (489.64 km) |
