| Westview to Mangualde | 4,192.39 mi (6,746.99 km) |
| Westview to Marco de Canavezes | 4,165.45 mi (6,703.64 km) |
| Westview to Marinha Grande | 4,141.88 mi (6,665.71 km) |
| Westview to Massama | 4,136.11 mi (6,656.43 km) |
| Westview to Matosinhos | 4,137.25 mi (6,658.25 km) |
| Westview to Mealhada | 4,159.43 mi (6,693.96 km) |
| Westview to Melgaco | 4,148.97 mi (6,677.12 km) |
| Westview to Melres | 4,153.97 mi (6,685.18 km) |
| Westview to Mira | 4,144.16 mi (6,669.37 km) |
| Westview to Miranda do Corvo | 4,168.92 mi (6,709.23 km) |
| Westview to Mirandela | 4,211.35 mi (6,777.51 km) |
| Westview to Mogadouro | 4,236.93 mi (6,818.68 km) |
| Westview to Moimenta da Beira | 4,195.39 mi (6,751.83 km) |
| Westview to Moita | 4,152.92 mi (6,683.48 km) |
| Westview to Moncao | 4,138.64 mi (6,660.50 km) |
