| Durham to Mangualde | 1,019.62 mi (1,640.92 km) |
| Durham to Marco de Canavezes | 986.14 mi (1,587.03 km) |
| Durham to Marinha Grande | 1,092.60 mi (1,758.37 km) |
| Durham to Massama | 1,163.61 mi (1,872.65 km) |
| Durham to Matosinhos | 994.09 mi (1,599.83 km) |
| Durham to Mealhada | 1,043.59 mi (1,679.50 km) |
| Durham to Melgaco | 925.88 mi (1,490.06 km) |
| Durham to Melres | 997.42 mi (1,605.20 km) |
| Durham to Mira | 1,044.30 mi (1,680.64 km) |
| Durham to Miranda do Corvo | 1,060.89 mi (1,707.33 km) |
| Durham to Mirandela | 953.27 mi (1,534.14 km) |
| Durham to Mogadouro | 958.05 mi (1,541.83 km) |
| Durham to Moimenta da Beira | 992.57 mi (1,597.39 km) |
| Durham to Moita | 1,166.62 mi (1,877.50 km) |
| Durham to Moncao | 931.96 mi (1,499.85 km) |
