| Barwell to Mangualde | 880.11 mi (1,416.39 km) |
| Barwell to Marco de Canavezes | 848.80 mi (1,366.02 km) |
| Barwell to Marinha Grande | 955.92 mi (1,538.40 km) |
| Barwell to Massama | 1,026.72 mi (1,652.34 km) |
| Barwell to Matosinhos | 858.81 mi (1,382.13 km) |
| Barwell to Mealhada | 906.14 mi (1,458.30 km) |
| Barwell to Melgaco | 790.61 mi (1,272.36 km) |
| Barwell to Melres | 860.83 mi (1,385.37 km) |
| Barwell to Mira | 907.92 mi (1,461.16 km) |
| Barwell to Miranda do Corvo | 922.65 mi (1,484.85 km) |
| Barwell to Mirandela | 812.91 mi (1,308.26 km) |
| Barwell to Mogadouro | 815.96 mi (1,313.16 km) |
| Barwell to Moimenta da Beira | 853.05 mi (1,372.85 km) |
| Barwell to Moita | 1,028.67 mi (1,655.48 km) |
| Barwell to Moncao | 797.47 mi (1,283.41 km) |
