| Oristano to Marco de Canavezes | 882.04 mi (1,419.51 km) |
| Oristano to Marinha Grande | 928.47 mi (1,494.22 km) |
| Oristano to Massama | 956.53 mi (1,539.38 km) |
| Oristano to Matosinhos | 910.64 mi (1,465.54 km) |
| Oristano to Mealhada | 899.29 mi (1,447.26 km) |
| Oristano to Melgaco | 890.58 mi (1,433.25 km) |
| Oristano to Melres | 895.07 mi (1,440.48 km) |
| Oristano to Mira | 913.96 mi (1,470.88 km) |
| Oristano to Miranda do Corvo | 894.52 mi (1,439.59 km) |
| Oristano to Mirandela | 832.28 mi (1,339.43 km) |
| Oristano to Mogadouro | 807.81 mi (1,300.04 km) |
| Oristano to Moimenta da Beira | 854.12 mi (1,374.57 km) |
| Oristano to Moita | 942.44 mi (1,516.71 km) |
| Oristano to Moncao | 901.28 mi (1,450.47 km) |
| Oristano to Montalegre | 864.89 mi (1,391.91 km) |
