| Carlisle to Mangualde | 1,011.57 mi (1,627.96 km) |
| Carlisle to Marco de Canavezes | 976.49 mi (1,571.51 km) |
| Carlisle to Marinha Grande | 1,082.12 mi (1,741.51 km) |
| Carlisle to Massama | 1,153.09 mi (1,855.71 km) |
| Carlisle to Matosinhos | 982.91 mi (1,581.83 km) |
| Carlisle to Mealhada | 1,033.84 mi (1,663.81 km) |
| Carlisle to Melgaco | 914.97 mi (1,472.50 km) |
| Carlisle to Melres | 987.19 mi (1,588.73 km) |
| Carlisle to Mira | 1,033.74 mi (1,663.65 km) |
| Carlisle to Miranda do Corvo | 1,051.69 mi (1,692.54 km) |
| Carlisle to Mirandela | 946.15 mi (1,522.68 km) |
| Carlisle to Mogadouro | 952.42 mi (1,532.77 km) |
| Carlisle to Moimenta da Beira | 984.63 mi (1,584.61 km) |
| Carlisle to Moita | 1,156.91 mi (1,861.86 km) |
| Carlisle to Moncao | 920.48 mi (1,481.36 km) |
