| Oatfield to Mangualde | 5,260.26 mi (8,465.58 km) |
| Oatfield to Marco de Canavezes | 5,216.77 mi (8,395.58 km) |
| Oatfield to Marinha Grande | 5,263.85 mi (8,471.35 km) |
| Oatfield to Massama | 5,303.17 mi (8,534.63 km) |
| Oatfield to Matosinhos | 5,197.84 mi (8,365.11 km) |
| Oatfield to Mealhada | 5,247.93 mi (8,445.72 km) |
| Oatfield to Melgaco | 5,164.42 mi (8,311.34 km) |
| Oatfield to Melres | 5,214.22 mi (8,391.48 km) |
| Oatfield to Mira | 5,235.48 mi (8,425.69 km) |
| Oatfield to Miranda do Corvo | 5,266.70 mi (8,475.93 km) |
| Oatfield to Mirandela | 5,234.06 mi (8,423.40 km) |
| Oatfield to Mogadouro | 5,257.74 mi (8,461.51 km) |
| Oatfield to Moimenta da Beira | 5,245.75 mi (8,442.21 km) |
| Oatfield to Moita | 5,319.10 mi (8,560.27 km) |
| Oatfield to Moncao | 5,159.41 mi (8,303.26 km) |
