| Great Cornard to Mangualde | 886.05 mi (1,425.96 km) |
| Great Cornard to Marco de Canavezes | 858.51 mi (1,381.64 km) |
| Great Cornard to Marinha Grande | 965.59 mi (1,553.97 km) |
| Great Cornard to Massama | 1,035.53 mi (1,666.52 km) |
| Great Cornard to Matosinhos | 871.46 mi (1,402.48 km) |
| Great Cornard to Mealhada | 915.10 mi (1,472.72 km) |
| Great Cornard to Melgaco | 804.02 mi (1,293.95 km) |
| Great Cornard to Melres | 871.52 mi (1,402.58 km) |
| Great Cornard to Mira | 918.48 mi (1,478.15 km) |
| Great Cornard to Miranda do Corvo | 930.23 mi (1,497.06 km) |
| Great Cornard to Mirandela | 818.14 mi (1,316.67 km) |
| Great Cornard to Mogadouro | 818.08 mi (1,316.57 km) |
| Great Cornard to Moimenta da Beira | 859.23 mi (1,382.80 km) |
| Great Cornard to Moita | 1,035.85 mi (1,667.03 km) |
| Great Cornard to Moncao | 811.92 mi (1,306.65 km) |
