| Barnsley to Mangualde | 941.44 mi (1,515.10 km) |
| Barnsley to Marco de Canavezes | 909.02 mi (1,462.92 km) |
| Barnsley to Marinha Grande | 1,015.87 mi (1,634.89 km) |
| Barnsley to Massama | 1,086.82 mi (1,749.06 km) |
| Barnsley to Matosinhos | 918.00 mi (1,477.38 km) |
| Barnsley to Mealhada | 966.45 mi (1,555.36 km) |
| Barnsley to Melgaco | 849.74 mi (1,367.53 km) |
| Barnsley to Melres | 920.68 mi (1,481.69 km) |
| Barnsley to Mira | 967.70 mi (1,557.36 km) |
| Barnsley to Miranda do Corvo | 983.36 mi (1,582.57 km) |
| Barnsley to Mirandela | 874.63 mi (1,407.59 km) |
| Barnsley to Mogadouro | 878.57 mi (1,413.92 km) |
| Barnsley to Moimenta da Beira | 914.37 mi (1,471.54 km) |
| Barnsley to Moita | 1,089.30 mi (1,753.05 km) |
| Barnsley to Moncao | 856.21 mi (1,377.94 km) |
