| Westland to Mangualde | 3,780.64 mi (6,084.36 km) |
| Westland to Marco de Canavezes | 3,743.74 mi (6,024.97 km) |
| Westland to Marinha Grande | 3,754.72 mi (6,042.64 km) |
| Westland to Massama | 3,772.01 mi (6,070.47 km) |
| Westland to Matosinhos | 3,718.50 mi (5,984.34 km) |
| Westland to Mealhada | 3,756.17 mi (6,044.97 km) |
| Westland to Melgaco | 3,708.31 mi (5,967.94 km) |
| Westland to Melres | 3,736.07 mi (6,012.62 km) |
| Westland to Mira | 3,741.42 mi (6,021.24 km) |
| Westland to Miranda do Corvo | 3,770.96 mi (6,068.77 km) |
| Westland to Mirandela | 3,778.12 mi (6,080.29 km) |
| Westland to Mogadouro | 3,804.30 mi (6,122.43 km) |
| Westland to Moimenta da Beira | 3,775.01 mi (6,075.29 km) |
| Westland to Moita | 3,789.33 mi (6,098.34 km) |
| Westland to Moncao | 3,699.99 mi (5,954.56 km) |
