| Naples to Masquefa | 647.93 mi (1,042.75 km) |
| Naples to Matadepera | 637.08 mi (1,025.28 km) |
| Naples to Mazarron | 861.31 mi (1,386.14 km) |
| Naples to Meco | 919.42 mi (1,479.66 km) |
| Naples to Medina del Campo | 996.94 mi (1,604.41 km) |
| Naples to Medina Sidonia | 1,126.38 mi (1,812.73 km) |
| Naples to Mejorada del Campo | 923.91 mi (1,486.88 km) |
| Naples to Meliana | 775.02 mi (1,247.27 km) |
| Naples to Mengibar | 982.40 mi (1,581.01 km) |
| Naples to Merida | 1,097.14 mi (1,765.68 km) |
| Naples to Miajadas | 1,079.29 mi (1,736.94 km) |
| Naples to Mieres | 1,038.52 mi (1,671.33 km) |
| Naples to Miguelturra | 971.50 mi (1,563.47 km) |
| Naples to Mijas | 1,056.79 mi (1,700.74 km) |
| Naples to Miranda de Ebro | 893.23 mi (1,437.51 km) |
