| Worth to Mangualde | 812.26 mi (1,307.20 km) |
| Worth to Marco de Canavezes | 784.71 mi (1,262.86 km) |
| Worth to Marinha Grande | 891.78 mi (1,435.18 km) |
| Worth to Massama | 961.71 mi (1,547.72 km) |
| Worth to Matosinhos | 797.73 mi (1,283.82 km) |
| Worth to Mealhada | 841.29 mi (1,353.92 km) |
| Worth to Melgaco | 730.35 mi (1,175.38 km) |
| Worth to Melres | 797.73 mi (1,283.82 km) |
| Worth to Mira | 844.68 mi (1,359.38 km) |
| Worth to Miranda do Corvo | 856.42 mi (1,378.27 km) |
| Worth to Mirandela | 744.35 mi (1,197.92 km) |
| Worth to Mogadouro | 744.40 mi (1,198.00 km) |
| Worth to Moimenta da Beira | 785.43 mi (1,264.03 km) |
| Worth to Moita | 962.04 mi (1,548.26 km) |
| Worth to Moncao | 738.29 mi (1,188.17 km) |
