| Coamo to Mangualde | 3,778.94 mi (6,081.61 km) |
| Coamo to Marco de Canavezes | 3,763.25 mi (6,056.36 km) |
| Coamo to Marinha Grande | 3,711.03 mi (5,972.33 km) |
| Coamo to Massama | 3,685.61 mi (5,931.41 km) |
| Coamo to Matosinhos | 3,734.86 mi (6,010.67 km) |
| Coamo to Mealhada | 3,741.29 mi (6,021.02 km) |
| Coamo to Melgaco | 3,765.31 mi (6,059.68 km) |
| Coamo to Melres | 3,749.37 mi (6,034.02 km) |
| Coamo to Mira | 3,726.88 mi (5,997.83 km) |
| Coamo to Miranda do Corvo | 3,745.26 mi (6,027.42 km) |
| Coamo to Mirandela | 3,815.53 mi (6,140.51 km) |
| Coamo to Mogadouro | 3,838.38 mi (6,177.27 km) |
| Coamo to Moimenta da Beira | 3,789.40 mi (6,098.45 km) |
| Coamo to Moita | 3,700.52 mi (5,955.41 km) |
| Coamo to Moncao | 3,754.07 mi (6,041.60 km) |
