| Oulu to Marco de Canavezes | 2,107.88 mi (3,392.30 km) |
| Oulu to Marinha Grande | 2,214.80 mi (3,564.37 km) |
| Oulu to Massama | 2,284.37 mi (3,676.34 km) |
| Oulu to Matosinhos | 2,121.11 mi (3,413.60 km) |
| Oulu to Mealhada | 2,164.21 mi (3,482.97 km) |
| Oulu to Melgaco | 2,053.66 mi (3,305.05 km) |
| Oulu to Melres | 2,121.02 mi (3,413.46 km) |
| Oulu to Mira | 2,167.92 mi (3,488.92 km) |
| Oulu to Miranda do Corvo | 2,178.90 mi (3,506.61 km) |
| Oulu to Mirandela | 2,066.28 mi (3,325.36 km) |
| Oulu to Mogadouro | 2,064.69 mi (3,322.80 km) |
| Oulu to Moimenta da Beira | 2,107.61 mi (3,391.86 km) |
| Oulu to Moita | 2,284.09 mi (3,675.89 km) |
| Oulu to Moncao | 2,061.48 mi (3,317.63 km) |
| Oulu to Montalegre | 2,060.11 mi (3,315.43 km) |
