| Shenfield to Mangualde | 853.23 mi (1,373.14 km) |
| Shenfield to Marco de Canavezes | 825.63 mi (1,328.72 km) |
| Shenfield to Marinha Grande | 932.71 mi (1,501.06 km) |
| Shenfield to Massama | 1,002.66 mi (1,613.63 km) |
| Shenfield to Matosinhos | 838.57 mi (1,349.54 km) |
| Shenfield to Mealhada | 882.23 mi (1,419.81 km) |
| Shenfield to Melgaco | 771.13 mi (1,241.02 km) |
| Shenfield to Melres | 838.63 mi (1,349.65 km) |
| Shenfield to Mira | 885.59 mi (1,425.22 km) |
| Shenfield to Miranda do Corvo | 897.38 mi (1,444.20 km) |
| Shenfield to Mirandela | 785.32 mi (1,263.86 km) |
| Shenfield to Mogadouro | 785.35 mi (1,263.91 km) |
| Shenfield to Moimenta da Beira | 826.40 mi (1,329.97 km) |
| Shenfield to Moita | 1,003.01 mi (1,614.20 km) |
| Shenfield to Moncao | 779.04 mi (1,253.74 km) |
