| Great Yarmouth to Mangualde | 941.86 mi (1,515.77 km) |
| Great Yarmouth to Marco de Canavezes | 914.86 mi (1,472.32 km) |
| Great Yarmouth to Marinha Grande | 1,021.84 mi (1,644.50 km) |
| Great Yarmouth to Massama | 1,091.61 mi (1,756.78 km) |
| Great Yarmouth to Matosinhos | 928.13 mi (1,493.68 km) |
| Great Yarmouth to Mealhada | 971.30 mi (1,563.16 km) |
| Great Yarmouth to Melgaco | 860.83 mi (1,385.37 km) |
| Great Yarmouth to Melres | 927.97 mi (1,493.43 km) |
| Great Yarmouth to Mira | 974.87 mi (1,568.91 km) |
| Great Yarmouth to Miranda do Corvo | 986.23 mi (1,587.19 km) |
| Great Yarmouth to Mirandela | 873.92 mi (1,406.43 km) |
| Great Yarmouth to Mogadouro | 873.37 mi (1,405.55 km) |
| Great Yarmouth to Moimenta da Beira | 915.10 mi (1,472.72 km) |
| Great Yarmouth to Moita | 1,091.70 mi (1,756.93 km) |
| Great Yarmouth to Moncao | 868.81 mi (1,398.22 km) |
