| Werther to Marco de Canavezes | 1,083.27 mi (1,743.36 km) |
| Werther to Marinha Grande | 1,185.94 mi (1,908.59 km) |
| Werther to Massama | 1,251.44 mi (2,014.00 km) |
| Werther to Matosinhos | 1,101.96 mi (1,773.43 km) |
| Werther to Mealhada | 1,135.82 mi (1,827.92 km) |
| Werther to Melgaco | 1,039.06 mi (1,672.20 km) |
| Werther to Melres | 1,097.85 mi (1,766.81 km) |
| Werther to Mira | 1,142.58 mi (1,838.81 km) |
| Werther to Miranda do Corvo | 1,147.25 mi (1,846.33 km) |
| Werther to Mirandela | 1,034.96 mi (1,665.61 km) |
| Werther to Mogadouro | 1,027.87 mi (1,654.20 km) |
| Werther to Moimenta da Beira | 1,076.20 mi (1,731.97 km) |
| Werther to Moita | 1,247.98 mi (2,008.43 km) |
| Werther to Moncao | 1,048.70 mi (1,687.72 km) |
| Werther to Montalegre | 1,037.73 mi (1,670.06 km) |
