| Horta to Marco de Canavezes | 1,099.06 mi (1,768.77 km) |
| Horta to Marinha Grande | 1,056.89 mi (1,700.89 km) |
| Horta to Massama | 1,042.82 mi (1,678.26 km) |
| Horta to Matosinhos | 1,070.50 mi (1,722.81 km) |
| Horta to Mealhada | 1,081.87 mi (1,741.10 km) |
| Horta to Melgaco | 1,098.17 mi (1,767.33 km) |
| Horta to Melres | 1,085.68 mi (1,747.23 km) |
| Horta to Mira | 1,066.99 mi (1,717.16 km) |
| Horta to Miranda do Corvo | 1,088.13 mi (1,751.17 km) |
| Horta to Mirandela | 1,150.32 mi (1,851.26 km) |
| Horta to Mogadouro | 1,173.90 mi (1,889.21 km) |
| Horta to Moimenta da Beira | 1,126.41 mi (1,812.79 km) |
| Horta to Moita | 1,059.17 mi (1,704.58 km) |
| Horta to Moncao | 1,086.97 mi (1,749.31 km) |
| Horta to Montalegre | 1,120.51 mi (1,803.29 km) |
