| Carrigaline to Marco de Canavezes | 734.78 mi (1,182.51 km) |
| Carrigaline to Marinha Grande | 834.13 mi (1,342.39 km) |
| Carrigaline to Massama | 903.35 mi (1,453.80 km) |
| Carrigaline to Matosinhos | 734.84 mi (1,182.60 km) |
| Carrigaline to Mealhada | 789.97 mi (1,271.33 km) |
| Carrigaline to Melgaco | 670.22 mi (1,078.62 km) |
| Carrigaline to Melres | 742.75 mi (1,195.33 km) |
| Carrigaline to Mira | 786.68 mi (1,266.04 km) |
| Carrigaline to Miranda do Corvo | 809.54 mi (1,302.83 km) |
| Carrigaline to Mirandela | 716.10 mi (1,152.44 km) |
| Carrigaline to Mogadouro | 728.62 mi (1,172.60 km) |
| Carrigaline to Moimenta da Beira | 749.66 mi (1,206.46 km) |
| Carrigaline to Moita | 910.17 mi (1,464.78 km) |
| Carrigaline to Moncao | 673.21 mi (1,083.43 km) |
| Carrigaline to Montalegre | 691.06 mi (1,112.15 km) |
