| Gijon to Mangualde | 228.31 mi (367.43 km) |
| Gijon to Marco de Canavezes | 204.94 mi (329.83 km) |
| Gijon to Marinha Grande | 310.11 mi (499.07 km) |
| Gijon to Massama | 378.74 mi (609.52 km) |
| Gijon to Matosinhos | 223.18 mi (359.18 km) |
| Gijon to Mealhada | 259.45 mi (417.54 km) |
| Gijon to Melgaco | 162.77 mi (261.95 km) |
| Gijon to Melres | 219.25 mi (352.85 km) |
| Gijon to Mira | 264.81 mi (426.17 km) |
| Gijon to Miranda do Corvo | 273.20 mi (439.68 km) |
| Gijon to Mirandela | 160.36 mi (258.08 km) |
| Gijon to Mogadouro | 160.60 mi (258.46 km) |
| Gijon to Moimenta da Beira | 201.74 mi (324.67 km) |
| Gijon to Moita | 378.17 mi (608.60 km) |
| Gijon to Moncao | 173.29 mi (278.89 km) |
