| Sanford to Mangualde | 4,135.32 mi (6,655.15 km) |
| Sanford to Marco de Canavezes | 4,106.31 mi (6,608.47 km) |
| Sanford to Marinha Grande | 4,088.99 mi (6,580.60 km) |
| Sanford to Massama | 4,087.48 mi (6,578.16 km) |
| Sanford to Matosinhos | 4,078.44 mi (6,563.61 km) |
| Sanford to Mealhada | 4,103.68 mi (6,604.24 km) |
| Sanford to Melgaco | 4,086.17 mi (6,576.05 km) |
| Sanford to Melres | 4,095.45 mi (6,591.00 km) |
| Sanford to Mira | 4,088.39 mi (6,579.62 km) |
| Sanford to Miranda do Corvo | 4,114.24 mi (6,621.22 km) |
| Sanford to Mirandela | 4,150.42 mi (6,679.45 km) |
| Sanford to Mogadouro | 4,176.31 mi (6,721.12 km) |
| Sanford to Moimenta da Beira | 4,136.73 mi (6,657.43 km) |
| Sanford to Moita | 4,104.51 mi (6,605.57 km) |
| Sanford to Moncao | 4,076.13 mi (6,559.90 km) |
