| Le Grand-Saconnex to Mangualde | 796.10 mi (1,281.20 km) |
| Le Grand-Saconnex to Marco de Canavezes | 791.83 mi (1,274.33 km) |
| Le Grand-Saconnex to Marinha Grande | 880.57 mi (1,417.14 km) |
| Le Grand-Saconnex to Massama | 936.45 mi (1,507.06 km) |
| Le Grand-Saconnex to Matosinhos | 816.45 mi (1,313.95 km) |
| Le Grand-Saconnex to Mealhada | 834.67 mi (1,343.27 km) |
| Le Grand-Saconnex to Melgaco | 766.03 mi (1,232.80 km) |
| Le Grand-Saconnex to Melres | 807.13 mi (1,298.95 km) |
| Le Grand-Saconnex to Mira | 845.20 mi (1,360.21 km) |
| Le Grand-Saconnex to Miranda do Corvo | 840.65 mi (1,352.90 km) |
| Le Grand-Saconnex to Mirandela | 738.01 mi (1,187.71 km) |
| Le Grand-Saconnex to Mogadouro | 722.96 mi (1,163.49 km) |
| Le Grand-Saconnex to Moimenta da Beira | 775.45 mi (1,247.97 km) |
| Le Grand-Saconnex to Moita | 928.82 mi (1,494.79 km) |
| Le Grand-Saconnex to Moncao | 777.15 mi (1,250.70 km) |
