| Cernay to Marco de Canavezes | 880.80 mi (1,417.51 km) |
| Cernay to Marinha Grande | 974.50 mi (1,568.31 km) |
| Cernay to Massama | 1,033.55 mi (1,663.34 km) |
| Cernay to Matosinhos | 903.91 mi (1,454.70 km) |
| Cernay to Mealhada | 926.97 mi (1,491.81 km) |
| Cernay to Melgaco | 849.08 mi (1,366.46 km) |
| Cernay to Melres | 896.05 mi (1,442.05 km) |
| Cernay to Mira | 936.48 mi (1,507.12 km) |
| Cernay to Miranda do Corvo | 934.61 mi (1,504.10 km) |
| Cernay to Mirandela | 828.02 mi (1,332.56 km) |
| Cernay to Mogadouro | 815.21 mi (1,311.96 km) |
| Cernay to Moimenta da Beira | 867.03 mi (1,395.36 km) |
| Cernay to Moita | 1,027.06 mi (1,652.89 km) |
| Cernay to Moncao | 859.90 mi (1,383.87 km) |
| Cernay to Montalegre | 840.03 mi (1,351.90 km) |
