| San Clemente to Mangualde | 5,647.75 mi (9,089.17 km) |
| San Clemente to Marco de Canavezes | 5,607.31 mi (9,024.10 km) |
| San Clemente to Marinha Grande | 5,634.20 mi (9,067.37 km) |
| San Clemente to Massama | 5,660.81 mi (9,110.19 km) |
| San Clemente to Matosinhos | 5,584.49 mi (8,987.37 km) |
| San Clemente to Mealhada | 5,628.23 mi (9,057.75 km) |
| San Clemente to Melgaco | 5,563.57 mi (8,953.70 km) |
| San Clemente to Melres | 5,601.81 mi (9,015.24 km) |
| San Clemente to Mira | 5,614.25 mi (9,035.26 km) |
| San Clemente to Miranda do Corvo | 5,644.96 mi (9,084.69 km) |
| San Clemente to Mirandela | 5,634.46 mi (9,067.79 km) |
| San Clemente to Mogadouro | 5,659.93 mi (9,108.77 km) |
| San Clemente to Moimenta da Beira | 5,638.05 mi (9,073.56 km) |
| San Clemente to Moita | 5,677.80 mi (9,137.54 km) |
| San Clemente to Moncao | 5,556.64 mi (8,942.55 km) |
