| Scarborough to Mangualde | 1,004.05 mi (1,615.86 km) |
| Scarborough to Marco de Canavezes | 972.33 mi (1,564.82 km) |
| Scarborough to Marinha Grande | 1,079.35 mi (1,737.05 km) |
| Scarborough to Massama | 1,150.22 mi (1,851.11 km) |
| Scarborough to Matosinhos | 981.87 mi (1,580.17 km) |
| Scarborough to Mealhada | 1,029.72 mi (1,657.18 km) |
| Scarborough to Melgaco | 913.62 mi (1,470.34 km) |
| Scarborough to Melres | 984.20 mi (1,583.92 km) |
| Scarborough to Mira | 1,031.27 mi (1,659.67 km) |
| Scarborough to Miranda do Corvo | 1,046.38 mi (1,683.99 km) |
| Scarborough to Mirandela | 936.96 mi (1,507.90 km) |
| Scarborough to Mogadouro | 940.20 mi (1,513.11 km) |
| Scarborough to Moimenta da Beira | 976.99 mi (1,572.31 km) |
| Scarborough to Moita | 1,152.39 mi (1,854.59 km) |
| Scarborough to Moncao | 920.29 mi (1,481.06 km) |
