| Cheam to Mangualde | 825.82 mi (1,329.04 km) |
| Cheam to Marco de Canavezes | 797.79 mi (1,283.92 km) |
| Cheam to Marinha Grande | 904.94 mi (1,456.35 km) |
| Cheam to Massama | 975.01 mi (1,569.13 km) |
| Cheam to Matosinhos | 810.44 mi (1,304.28 km) |
| Cheam to Mealhada | 854.50 mi (1,375.19 km) |
| Cheam to Melgaco | 742.90 mi (1,195.58 km) |
| Cheam to Melres | 810.70 mi (1,304.69 km) |
| Cheam to Mira | 857.70 mi (1,380.33 km) |
| Cheam to Miranda do Corvo | 869.81 mi (1,399.83 km) |
| Cheam to Mirandela | 757.96 mi (1,219.82 km) |
| Cheam to Mogadouro | 758.38 mi (1,220.49 km) |
| Cheam to Moimenta da Beira | 798.96 mi (1,285.79 km) |
| Cheam to Moita | 975.54 mi (1,569.98 km) |
| Cheam to Moncao | 750.71 mi (1,208.16 km) |
