| Fort Mill to Mangualde | 3,897.16 mi (6,271.87 km) |
| Fort Mill to Marco de Canavezes | 3,864.68 mi (6,219.60 km) |
| Fort Mill to Marinha Grande | 3,858.83 mi (6,210.18 km) |
| Fort Mill to Massama | 3,865.08 mi (6,220.24 km) |
| Fort Mill to Matosinhos | 3,837.64 mi (6,176.09 km) |
| Fort Mill to Mealhada | 3,868.20 mi (6,225.26 km) |
| Fort Mill to Melgaco | 3,838.14 mi (6,176.89 km) |
| Fort Mill to Melres | 3,855.03 mi (6,204.07 km) |
| Fort Mill to Mira | 3,852.99 mi (6,200.79 km) |
| Fort Mill to Miranda do Corvo | 3,880.58 mi (6,245.19 km) |
| Fort Mill to Mirandela | 3,905.18 mi (6,284.78 km) |
| Fort Mill to Mogadouro | 3,931.40 mi (6,326.98 km) |
| Fort Mill to Moimenta da Beira | 3,895.70 mi (6,269.52 km) |
| Fort Mill to Moita | 3,882.38 mi (6,248.09 km) |
| Fort Mill to Moncao | 3,828.72 mi (6,161.73 km) |
