| Radstock to Mangualde | 780.86 mi (1,256.68 km) |
| Radstock to Marco de Canavezes | 749.21 mi (1,205.74 km) |
| Radstock to Marinha Grande | 856.28 mi (1,378.05 km) |
| Radstock to Massama | 927.12 mi (1,492.05 km) |
| Radstock to Matosinhos | 759.05 mi (1,221.57 km) |
| Radstock to Mealhada | 806.58 mi (1,298.06 km) |
| Radstock to Melgaco | 690.83 mi (1,111.78 km) |
| Radstock to Melres | 761.16 mi (1,224.97 km) |
| Radstock to Mira | 808.24 mi (1,300.74 km) |
| Radstock to Miranda do Corvo | 823.20 mi (1,324.80 km) |
| Radstock to Mirandela | 713.83 mi (1,148.79 km) |
| Radstock to Mogadouro | 717.35 mi (1,154.46 km) |
| Radstock to Moimenta da Beira | 753.80 mi (1,213.12 km) |
| Radstock to Moita | 929.20 mi (1,495.41 km) |
| Radstock to Moncao | 697.66 mi (1,122.78 km) |
