| Choppington to Mangualde | 1,043.44 mi (1,679.26 km) |
| Choppington to Marco de Canavezes | 1,009.68 mi (1,624.93 km) |
| Choppington to Marinha Grande | 1,116.02 mi (1,796.06 km) |
| Choppington to Massama | 1,187.03 mi (1,910.34 km) |
| Choppington to Matosinhos | 1,017.35 mi (1,637.27 km) |
| Choppington to Mealhada | 1,067.13 mi (1,717.39 km) |
| Choppington to Melgaco | 949.18 mi (1,527.56 km) |
| Choppington to Melres | 1,020.86 mi (1,642.92 km) |
| Choppington to Mira | 1,067.69 mi (1,718.28 km) |
| Choppington to Miranda do Corvo | 1,084.53 mi (1,745.38 km) |
| Choppington to Mirandela | 977.23 mi (1,572.70 km) |
| Choppington to Mogadouro | 982.24 mi (1,580.76 km) |
| Choppington to Moimenta da Beira | 1,016.41 mi (1,635.76 km) |
| Choppington to Moita | 1,190.19 mi (1,915.43 km) |
| Choppington to Moncao | 955.15 mi (1,537.17 km) |
