| Hays to Mangualde | 4,621.90 mi (7,438.23 km) |
| Hays to Marco de Canavezes | 4,583.47 mi (7,376.38 km) |
| Hays to Marinha Grande | 4,600.84 mi (7,404.34 km) |
| Hays to Massama | 4,621.81 mi (7,438.08 km) |
| Hays to Matosinhos | 4,559.13 mi (7,337.21 km) |
| Hays to Mealhada | 4,599.35 mi (7,401.93 km) |
| Hays to Melgaco | 4,544.53 mi (7,313.71 km) |
| Hays to Melres | 4,576.65 mi (7,365.41 km) |
| Hays to Mira | 4,584.87 mi (7,378.63 km) |
| Hays to Miranda do Corvo | 4,614.95 mi (7,427.05 km) |
| Hays to Mirandela | 4,615.01 mi (7,427.14 km) |
| Hays to Mogadouro | 4,640.99 mi (7,468.95 km) |
| Hays to Moimenta da Beira | 4,614.61 mi (7,426.50 km) |
| Hays to Moita | 4,639.04 mi (7,465.81 km) |
| Hays to Moncao | 4,536.75 mi (7,301.20 km) |
