| Grottaferrata to Masquefa | 560.59 mi (902.18 km) |
| Grottaferrata to Matadepera | 549.10 mi (883.69 km) |
| Grottaferrata to Mazarron | 796.74 mi (1,282.24 km) |
| Grottaferrata to Meco | 835.18 mi (1,344.09 km) |
| Grottaferrata to Medina del Campo | 908.58 mi (1,462.22 km) |
| Grottaferrata to Medina Sidonia | 1,059.35 mi (1,704.86 km) |
| Grottaferrata to Mejorada del Campo | 840.41 mi (1,352.51 km) |
| Grottaferrata to Meliana | 699.40 mi (1,125.57 km) |
| Grottaferrata to Mengibar | 911.17 mi (1,466.38 km) |
| Grottaferrata to Merida | 1,018.29 mi (1,638.79 km) |
| Grottaferrata to Miajadas | 999.57 mi (1,608.66 km) |
| Grottaferrata to Mieres | 942.96 mi (1,517.55 km) |
| Grottaferrata to Miguelturra | 894.80 mi (1,440.04 km) |
| Grottaferrata to Mijas | 991.36 mi (1,595.45 km) |
| Grottaferrata to Miranda de Ebro | 799.53 mi (1,286.72 km) |
