| Columbine to Mangualde | 4,843.69 mi (7,795.17 km) |
| Columbine to Marco de Canavezes | 4,803.94 mi (7,731.20 km) |
| Columbine to Marinha Grande | 4,827.53 mi (7,769.16 km) |
| Columbine to Massama | 4,852.35 mi (7,809.11 km) |
| Columbine to Matosinhos | 4,780.55 mi (7,693.55 km) |
| Columbine to Mealhada | 4,823.08 mi (7,761.99 km) |
| Columbine to Melgaco | 4,761.95 mi (7,663.62 km) |
| Columbine to Melres | 4,797.96 mi (7,721.57 km) |
| Columbine to Mira | 4,808.91 mi (7,739.20 km) |
| Columbine to Miranda do Corvo | 4,839.44 mi (7,788.32 km) |
| Columbine to Mirandela | 4,832.76 mi (7,777.58 km) |
| Columbine to Mogadouro | 4,858.45 mi (7,818.93 km) |
| Columbine to Moimenta da Beira | 4,834.86 mi (7,780.96 km) |
| Columbine to Moita | 4,869.43 mi (7,836.60 km) |
| Columbine to Moncao | 4,754.69 mi (7,651.93 km) |
