| Oliva to Mangualde | 421.99 mi (679.12 km) |
| Oliva to Marco de Canavezes | 452.32 mi (727.93 km) |
| Oliva to Marinha Grande | 474.22 mi (763.18 km) |
| Oliva to Massama | 492.56 mi (792.69 km) |
| Oliva to Matosinhos | 479.68 mi (771.97 km) |
| Oliva to Mealhada | 454.29 mi (731.10 km) |
| Oliva to Melgaco | 481.22 mi (774.45 km) |
| Oliva to Melres | 462.44 mi (744.23 km) |
| Oliva to Mira | 469.57 mi (755.69 km) |
| Oliva to Miranda do Corvo | 445.13 mi (716.36 km) |
| Oliva to Mirandela | 412.45 mi (663.77 km) |
| Oliva to Mogadouro | 386.16 mi (621.47 km) |
| Oliva to Moimenta da Beira | 421.45 mi (678.25 km) |
| Oliva to Moita | 477.48 mi (768.43 km) |
| Oliva to Moncao | 489.98 mi (788.54 km) |
