| Middlewich to Mangualde | 904.61 mi (1,455.83 km) |
| Middlewich to Marco de Canavezes | 871.22 mi (1,402.10 km) |
| Middlewich to Marinha Grande | 977.76 mi (1,573.55 km) |
| Middlewich to Massama | 1,048.76 mi (1,687.82 km) |
| Middlewich to Matosinhos | 879.37 mi (1,415.20 km) |
| Middlewich to Mealhada | 928.68 mi (1,494.57 km) |
| Middlewich to Melgaco | 811.14 mi (1,305.40 km) |
| Middlewich to Melres | 882.57 mi (1,420.36 km) |
| Middlewich to Mira | 929.48 mi (1,495.85 km) |
| Middlewich to Miranda do Corvo | 945.93 mi (1,522.33 km) |
| Middlewich to Mirandela | 838.26 mi (1,349.05 km) |
| Middlewich to Mogadouro | 843.12 mi (1,356.86 km) |
| Middlewich to Moimenta da Beira | 877.57 mi (1,412.31 km) |
| Middlewich to Moita | 1,051.69 mi (1,692.54 km) |
| Middlewich to Moncao | 817.31 mi (1,315.34 km) |
