| Orem to Mangualde | 5,088.93 mi (8,189.84 km) |
| Orem to Marco de Canavezes | 5,047.85 mi (8,123.74 km) |
| Orem to Marinha Grande | 5,078.46 mi (8,172.99 km) |
| Orem to Massama | 5,107.62 mi (8,219.92 km) |
| Orem to Matosinhos | 5,025.64 mi (8,087.99 km) |
| Orem to Mealhada | 5,070.63 mi (8,160.39 km) |
| Orem to Melgaco | 5,002.55 mi (8,050.83 km) |
| Orem to Melres | 5,042.85 mi (8,115.68 km) |
| Orem to Mira | 5,056.89 mi (8,138.28 km) |
| Orem to Miranda do Corvo | 5,087.79 mi (8,188.00 km) |
| Orem to Mirandela | 5,073.43 mi (8,164.89 km) |
| Orem to Mogadouro | 5,098.67 mi (8,205.51 km) |
| Orem to Moimenta da Beira | 5,078.38 mi (8,172.86 km) |
| Orem to Moita | 5,124.46 mi (8,247.02 km) |
| Orem to Moncao | 4,995.91 mi (8,040.15 km) |
