| Rotherham to Mangualde | 935.18 mi (1,505.03 km) |
| Rotherham to Marco de Canavezes | 903.03 mi (1,453.29 km) |
| Rotherham to Marinha Grande | 1,009.96 mi (1,625.38 km) |
| Rotherham to Massama | 1,080.88 mi (1,739.50 km) |
| Rotherham to Matosinhos | 912.26 mi (1,468.14 km) |
| Rotherham to Mealhada | 960.45 mi (1,545.70 km) |
| Rotherham to Melgaco | 844.00 mi (1,358.29 km) |
| Rotherham to Melres | 914.78 mi (1,472.20 km) |
| Rotherham to Mira | 961.82 mi (1,547.90 km) |
| Rotherham to Miranda do Corvo | 977.26 mi (1,572.75 km) |
| Rotherham to Mirandela | 868.27 mi (1,397.35 km) |
| Rotherham to Mogadouro | 871.98 mi (1,403.32 km) |
| Rotherham to Moimenta da Beira | 908.12 mi (1,461.47 km) |
| Rotherham to Moita | 1,083.23 mi (1,743.29 km) |
| Rotherham to Moncao | 850.56 mi (1,368.85 km) |
