| Sarzeau to Marco de Canavezes | 512.32 mi (824.50 km) |
| Sarzeau to Marinha Grande | 618.99 mi (996.17 km) |
| Sarzeau to Massama | 688.43 mi (1,107.93 km) |
| Sarzeau to Matosinhos | 526.86 mi (847.90 km) |
| Sarzeau to Mealhada | 568.36 mi (914.69 km) |
| Sarzeau to Melgaco | 460.52 mi (741.14 km) |
| Sarzeau to Melres | 525.76 mi (846.14 km) |
| Sarzeau to Mira | 572.44 mi (921.25 km) |
| Sarzeau to Miranda do Corvo | 582.97 mi (938.20 km) |
| Sarzeau to Mirandela | 470.48 mi (757.16 km) |
| Sarzeau to Mogadouro | 470.02 mi (756.43 km) |
| Sarzeau to Moimenta da Beira | 511.73 mi (823.54 km) |
| Sarzeau to Moita | 688.29 mi (1,107.70 km) |
| Sarzeau to Moncao | 469.16 mi (755.03 km) |
| Sarzeau to Montalegre | 464.75 mi (747.94 km) |
