| Cenon to Marco de Canavezes | 460.73 mi (741.47 km) |
| Cenon to Marinha Grande | 555.24 mi (893.58 km) |
| Cenon to Massama | 616.14 mi (991.57 km) |
| Cenon to Matosinhos | 484.11 mi (779.11 km) |
| Cenon to Mealhada | 507.19 mi (816.25 km) |
| Cenon to Melgaco | 431.28 mi (694.08 km) |
| Cenon to Melres | 475.99 mi (766.03 km) |
| Cenon to Mira | 516.48 mi (831.20 km) |
| Cenon to Miranda do Corvo | 515.45 mi (829.53 km) |
| Cenon to Mirandela | 407.93 mi (656.50 km) |
| Cenon to Mogadouro | 395.63 mi (636.70 km) |
| Cenon to Moimenta da Beira | 447.16 mi (719.63 km) |
| Cenon to Moita | 610.71 mi (982.84 km) |
| Cenon to Moncao | 442.32 mi (711.85 km) |
| Cenon to Montalegre | 420.55 mi (676.81 km) |
