| Ovada to Marco de Canavezes | 881.07 mi (1,417.94 km) |
| Ovada to Marinha Grande | 958.82 mi (1,543.07 km) |
| Ovada to Massama | 1,007.14 mi (1,620.84 km) |
| Ovada to Matosinhos | 907.74 mi (1,460.86 km) |
| Ovada to Mealhada | 916.99 mi (1,475.75 km) |
| Ovada to Melgaco | 865.39 mi (1,392.71 km) |
| Ovada to Melres | 896.13 mi (1,442.18 km) |
| Ovada to Mira | 929.18 mi (1,495.37 km) |
| Ovada to Miranda do Corvo | 919.65 mi (1,480.04 km) |
| Ovada to Mirandela | 826.69 mi (1,330.43 km) |
| Ovada to Mogadouro | 807.98 mi (1,300.32 km) |
| Ovada to Moimenta da Beira | 860.40 mi (1,384.67 km) |
| Ovada to Moita | 997.18 mi (1,604.81 km) |
| Ovada to Moncao | 876.72 mi (1,410.95 km) |
| Ovada to Montalegre | 848.48 mi (1,365.50 km) |
