| Arta to Marco de Canavezes | 1,537.36 mi (2,474.14 km) |
| Arta to Marinha Grande | 1,589.23 mi (2,557.62 km) |
| Arta to Massama | 1,618.50 mi (2,604.72 km) |
| Arta to Matosinhos | 1,565.87 mi (2,520.02 km) |
| Arta to Mealhada | 1,558.27 mi (2,507.79 km) |
| Arta to Melgaco | 1,539.61 mi (2,477.76 km) |
| Arta to Melres | 1,550.98 mi (2,496.06 km) |
| Arta to Mira | 1,572.69 mi (2,530.99 km) |
| Arta to Miranda do Corvo | 1,554.49 mi (2,501.71 km) |
| Arta to Mirandela | 1,485.84 mi (2,391.24 km) |
| Arta to Mogadouro | 1,462.38 mi (2,353.48 km) |
| Arta to Moimenta da Beira | 1,510.63 mi (2,431.12 km) |
| Arta to Moita | 1,604.42 mi (2,582.07 km) |
| Arta to Moncao | 1,550.66 mi (2,495.54 km) |
| Arta to Montalegre | 1,516.10 mi (2,439.93 km) |
