| Hercules to Mangualde | 5,611.47 mi (9,030.78 km) |
| Hercules to Marco de Canavezes | 5,569.23 mi (8,962.82 km) |
| Hercules to Marinha Grande | 5,606.76 mi (9,023.22 km) |
| Hercules to Massama | 5,640.08 mi (9,076.82 km) |
| Hercules to Matosinhos | 5,548.33 mi (8,929.17 km) |
| Hercules to Mealhada | 5,595.59 mi (9,005.24 km) |
| Hercules to Melgaco | 5,520.76 mi (8,884.81 km) |
| Hercules to Melres | 5,565.25 mi (8,956.40 km) |
| Hercules to Mira | 5,582.34 mi (8,983.91 km) |
| Hercules to Miranda do Corvo | 5,613.47 mi (9,034.01 km) |
| Hercules to Mirandela | 5,591.35 mi (8,998.40 km) |
| Hercules to Mogadouro | 5,616.00 mi (9,038.07 km) |
| Hercules to Moimenta da Beira | 5,599.20 mi (9,011.05 km) |
| Hercules to Moita | 5,656.61 mi (9,103.43 km) |
| Hercules to Moncao | 5,514.80 mi (8,875.22 km) |
