| Idanha-a-Nova to Marsala | 1,066.04 mi (1,715.63 km) |
| Idanha-a-Nova to Marsciano | 1,032.30 mi (1,661.32 km) |
| Idanha-a-Nova to Martano | 1,345.75 mi (2,165.77 km) |
| Idanha-a-Nova to Martellago | 1,054.87 mi (1,697.65 km) |
| Idanha-a-Nova to Martina Franca | 1,291.30 mi (2,078.14 km) |
| Idanha-a-Nova to Martinengo | 944.50 mi (1,520.03 km) |
| Idanha-a-Nova to Martinsicuro | 1,112.06 mi (1,789.68 km) |
| Idanha-a-Nova to Mascali | 1,213.40 mi (1,952.78 km) |
| Idanha-a-Nova to Mascalucia | 1,208.59 mi (1,945.04 km) |
| Idanha-a-Nova to Masera di Padova | 1,037.23 mi (1,669.27 km) |
| Idanha-a-Nova to Maserada sul Piave | 1,065.93 mi (1,715.46 km) |
| Idanha-a-Nova to Massa | 934.22 mi (1,503.48 km) |
| Idanha-a-Nova to Massa Lombarda | 1,021.60 mi (1,644.11 km) |
| Idanha-a-Nova to Massafra | 1,280.81 mi (2,061.27 km) |
| Idanha-a-Nova to Massalubrense | 1,136.07 mi (1,828.33 km) |
