| Carbondale to Mangualde | 4,203.18 mi (6,764.36 km) |
| Carbondale to Marco de Canavezes | 4,167.31 mi (6,706.64 km) |
| Carbondale to Marinha Grande | 4,173.90 mi (6,717.24 km) |
| Carbondale to Massama | 4,188.12 mi (6,740.14 km) |
| Carbondale to Matosinhos | 4,141.56 mi (6,665.19 km) |
| Carbondale to Mealhada | 4,177.48 mi (6,723.01 km) |
| Carbondale to Melgaco | 4,133.97 mi (6,652.98 km) |
| Carbondale to Melres | 4,159.12 mi (6,693.46 km) |
| Carbondale to Mira | 4,162.58 mi (6,699.02 km) |
| Carbondale to Miranda do Corvo | 4,191.67 mi (6,745.84 km) |
| Carbondale to Mirandela | 4,203.27 mi (6,764.51 km) |
| Carbondale to Mogadouro | 4,229.52 mi (6,806.76 km) |
| Carbondale to Moimenta da Beira | 4,198.59 mi (6,756.97 km) |
| Carbondale to Moita | 4,205.48 mi (6,768.07 km) |
| Carbondale to Moncao | 4,125.37 mi (6,639.14 km) |
