| Oskaloosa to Mangualde | 4,234.64 mi (6,814.99 km) |
| Oskaloosa to Marco de Canavezes | 4,196.53 mi (6,753.66 km) |
| Oskaloosa to Marinha Grande | 4,212.54 mi (6,779.43 km) |
| Oskaloosa to Massama | 4,232.82 mi (6,812.06 km) |
| Oskaloosa to Matosinhos | 4,171.98 mi (6,714.16 km) |
| Oskaloosa to Mealhada | 4,211.66 mi (6,778.01 km) |
| Oskaloosa to Melgaco | 4,158.39 mi (6,692.29 km) |
| Oskaloosa to Melres | 4,189.52 mi (6,742.38 km) |
| Oskaloosa to Mira | 4,197.11 mi (6,754.60 km) |
| Oskaloosa to Miranda do Corvo | 4,227.09 mi (6,802.85 km) |
| Oskaloosa to Mirandela | 4,228.75 mi (6,805.51 km) |
| Oskaloosa to Mogadouro | 4,254.78 mi (6,847.41 km) |
| Oskaloosa to Moimenta da Beira | 4,227.72 mi (6,803.85 km) |
| Oskaloosa to Moita | 4,250.06 mi (6,839.82 km) |
| Oskaloosa to Moncao | 4,150.48 mi (6,679.56 km) |
