| Crofton to Mangualde | 3,561.46 mi (5,731.62 km) |
| Crofton to Marco de Canavezes | 3,527.68 mi (5,677.25 km) |
| Crofton to Marinha Grande | 3,526.58 mi (5,675.48 km) |
| Crofton to Massama | 3,536.16 mi (5,690.91 km) |
| Crofton to Matosinhos | 3,501.07 mi (5,634.43 km) |
| Crofton to Mealhada | 3,533.69 mi (5,686.92 km) |
| Crofton to Melgaco | 3,498.71 mi (5,630.62 km) |
| Crofton to Melres | 3,518.55 mi (5,662.56 km) |
| Crofton to Mira | 3,518.57 mi (5,662.60 km) |
| Crofton to Miranda do Corvo | 3,546.79 mi (5,708.00 km) |
| Crofton to Mirandela | 3,566.63 mi (5,739.94 km) |
| Crofton to Mogadouro | 3,592.91 mi (5,782.23 km) |
| Crofton to Moimenta da Beira | 3,558.84 mi (5,727.41 km) |
| Crofton to Moita | 3,553.52 mi (5,718.83 km) |
| Crofton to Moncao | 3,489.55 mi (5,615.89 km) |
