| Alatri to Marco de Canavezes | 1,110.67 mi (1,787.45 km) |
| Alatri to Marinha Grande | 1,170.79 mi (1,884.21 km) |
| Alatri to Massama | 1,206.70 mi (1,942.00 km) |
| Alatri to Matosinhos | 1,138.91 mi (1,832.90 km) |
| Alatri to Mealhada | 1,136.13 mi (1,828.43 km) |
| Alatri to Melgaco | 1,108.25 mi (1,783.56 km) |
| Alatri to Melres | 1,124.81 mi (1,810.21 km) |
| Alatri to Mira | 1,150.02 mi (1,850.78 km) |
| Alatri to Miranda do Corvo | 1,134.28 mi (1,825.45 km) |
| Alatri to Mirandela | 1,057.93 mi (1,702.57 km) |
| Alatri to Mogadouro | 1,035.51 mi (1,666.50 km) |
| Alatri to Moimenta da Beira | 1,085.39 mi (1,746.77 km) |
| Alatri to Moita | 1,193.86 mi (1,921.33 km) |
| Alatri to Moncao | 1,119.44 mi (1,801.57 km) |
| Alatri to Montalegre | 1,086.23 mi (1,748.12 km) |
