| Sandy Springs to Mangualde | 4,103.32 mi (6,603.65 km) |
| Sandy Springs to Marco de Canavezes | 4,070.52 mi (6,550.86 km) |
| Sandy Springs to Marinha Grande | 4,065.71 mi (6,543.13 km) |
| Sandy Springs to Massama | 4,072.54 mi (6,554.12 km) |
| Sandy Springs to Matosinhos | 4,043.58 mi (6,507.52 km) |
| Sandy Springs to Mealhada | 4,074.62 mi (6,557.47 km) |
| Sandy Springs to Melgaco | 4,043.31 mi (6,507.08 km) |
| Sandy Springs to Melres | 4,061.00 mi (6,535.54 km) |
| Sandy Springs to Mira | 4,059.43 mi (6,533.03 km) |
| Sandy Springs to Miranda do Corvo | 4,087.16 mi (6,577.65 km) |
| Sandy Springs to Mirandela | 4,110.61 mi (6,615.39 km) |
| Sandy Springs to Mogadouro | 4,136.86 mi (6,657.63 km) |
| Sandy Springs to Moimenta da Beira | 4,101.58 mi (6,600.85 km) |
| Sandy Springs to Moita | 4,089.85 mi (6,581.98 km) |
| Sandy Springs to Moncao | 4,033.96 mi (6,492.04 km) |
