| Idanha-a-Nova to Melzo | 926.86 mi (1,491.64 km) |
| Idanha-a-Nova to Mendicino | 1,244.66 mi (2,003.08 km) |
| Idanha-a-Nova to Menfi | 1,097.60 mi (1,766.42 km) |
| Idanha-a-Nova to Mentana | 1,045.03 mi (1,681.81 km) |
| Idanha-a-Nova to Merano | 1,032.55 mi (1,661.73 km) |
| Idanha-a-Nova to Merate | 932.14 mi (1,500.13 km) |
| Idanha-a-Nova to Mercato San Severino | 1,156.95 mi (1,861.93 km) |
| Idanha-a-Nova to Mercogliano | 1,155.02 mi (1,858.83 km) |
| Idanha-a-Nova to Mesagne | 1,316.59 mi (2,118.85 km) |
| Idanha-a-Nova to Messina | 1,225.07 mi (1,971.56 km) |
| Idanha-a-Nova to Mestre | 1,057.67 mi (1,702.16 km) |
| Idanha-a-Nova to Mestrino | 1,034.86 mi (1,665.45 km) |
| Idanha-a-Nova to Milan | 915.73 mi (1,473.73 km) |
| Idanha-a-Nova to Milazzo | 1,207.91 mi (1,943.94 km) |
| Idanha-a-Nova to Minerbio | 1,007.32 mi (1,621.13 km) |
