| Sandusky to Mangualde | 3,775.53 mi (6,076.14 km) |
| Sandusky to Marco de Canavezes | 3,739.19 mi (6,017.65 km) |
| Sandusky to Marinha Grande | 3,747.86 mi (6,031.60 km) |
| Sandusky to Massama | 3,763.67 mi (6,057.04 km) |
| Sandusky to Matosinhos | 3,713.66 mi (5,976.56 km) |
| Sandusky to Mealhada | 3,750.41 mi (6,035.69 km) |
| Sandusky to Melgaco | 3,704.94 mi (5,962.53 km) |
| Sandusky to Melres | 3,731.23 mi (6,004.84 km) |
| Sandusky to Mira | 3,735.57 mi (6,011.82 km) |
| Sandusky to Miranda do Corvo | 3,764.88 mi (6,058.99 km) |
| Sandusky to Mirandela | 3,774.47 mi (6,074.42 km) |
| Sandusky to Mogadouro | 3,800.70 mi (6,116.63 km) |
| Sandusky to Moimenta da Beira | 3,770.47 mi (6,067.98 km) |
| Sandusky to Moita | 3,781.01 mi (6,084.95 km) |
| Sandusky to Moncao | 3,696.46 mi (5,948.88 km) |
