| Katy to Mangualde | 4,821.89 mi (7,760.08 km) |
| Katy to Marco de Canavezes | 4,787.94 mi (7,705.45 km) |
| Katy to Marinha Grande | 4,786.99 mi (7,703.92 km) |
| Katy to Massama | 4,795.99 mi (7,718.40 km) |
| Katy to Matosinhos | 4,761.40 mi (7,662.74 km) |
| Katy to Mealhada | 4,794.18 mi (7,715.49 km) |
| Katy to Melgaco | 4,758.37 mi (7,657.86 km) |
| Katy to Melres | 4,778.89 mi (7,690.89 km) |
| Katy to Mira | 4,779.07 mi (7,691.17 km) |
| Katy to Miranda do Corvo | 4,807.29 mi (7,736.58 km) |
| Katy to Mirandela | 4,826.54 mi (7,767.57 km) |
| Katy to Mogadouro | 4,852.82 mi (7,809.87 km) |
| Katy to Moimenta da Beira | 4,819.13 mi (7,755.63 km) |
| Katy to Moita | 4,813.33 mi (7,746.31 km) |
| Katy to Moncao | 4,749.30 mi (7,643.26 km) |
