| Billings to Mangualde | 4,729.17 mi (7,610.86 km) |
| Billings to Marco de Canavezes | 4,687.19 mi (7,543.30 km) |
| Billings to Marinha Grande | 4,723.32 mi (7,601.44 km) |
| Billings to Massama | 4,756.07 mi (7,654.15 km) |
| Billings to Matosinhos | 4,665.97 mi (7,509.15 km) |
| Billings to Mealhada | 4,712.76 mi (7,584.45 km) |
| Billings to Melgaco | 4,639.52 mi (7,466.58 km) |
| Billings to Melres | 4,682.96 mi (7,536.49 km) |
| Billings to Mira | 4,699.40 mi (7,562.96 km) |
| Billings to Miranda do Corvo | 4,730.50 mi (7,613.00 km) |
| Billings to Mirandela | 4,710.22 mi (7,580.36 km) |
| Billings to Mogadouro | 4,735.05 mi (7,620.32 km) |
| Billings to Moimenta da Beira | 4,717.31 mi (7,591.77 km) |
| Billings to Moita | 4,772.64 mi (7,680.82 km) |
| Billings to Moncao | 4,633.37 mi (7,456.69 km) |
