| Cassano al Ionio to Marco de Canavezes | 1,285.16 mi (2,068.27 km) |
| Cassano al Ionio to Marinha Grande | 1,336.52 mi (2,150.92 km) |
| Cassano al Ionio to Massama | 1,366.07 mi (2,198.47 km) |
| Cassano al Ionio to Matosinhos | 1,313.69 mi (2,114.19 km) |
| Cassano al Ionio to Mealhada | 1,305.64 mi (2,101.22 km) |
| Cassano al Ionio to Melgaco | 1,288.45 mi (2,073.56 km) |
| Cassano al Ionio to Melres | 1,298.70 mi (2,090.06 km) |
| Cassano al Ionio to Mira | 1,320.08 mi (2,124.46 km) |
| Cassano al Ionio to Miranda do Corvo | 1,301.79 mi (2,095.03 km) |
| Cassano al Ionio to Mirandela | 1,233.88 mi (1,985.74 km) |
| Cassano al Ionio to Mogadouro | 1,210.26 mi (1,947.72 km) |
| Cassano al Ionio to Moimenta da Beira | 1,258.26 mi (2,024.97 km) |
| Cassano al Ionio to Moita | 1,352.09 mi (2,175.97 km) |
| Cassano al Ionio to Moncao | 1,299.45 mi (2,091.26 km) |
| Cassano al Ionio to Montalegre | 1,264.54 mi (2,035.08 km) |
