| Cerveteri to Marco de Canavezes | 1,045.49 mi (1,682.55 km) |
| Cerveteri to Marinha Grande | 1,106.95 mi (1,781.46 km) |
| Cerveteri to Massama | 1,143.97 mi (1,841.04 km) |
| Cerveteri to Matosinhos | 1,073.67 mi (1,727.90 km) |
| Cerveteri to Mealhada | 1,071.69 mi (1,724.71 km) |
| Cerveteri to Melgaco | 1,042.34 mi (1,677.49 km) |
| Cerveteri to Melres | 1,059.71 mi (1,705.43 km) |
| Cerveteri to Mira | 1,085.47 mi (1,746.90 km) |
| Cerveteri to Miranda do Corvo | 1,070.17 mi (1,722.27 km) |
| Cerveteri to Mirandela | 992.57 mi (1,597.39 km) |
| Cerveteri to Mogadouro | 970.35 mi (1,561.63 km) |
| Cerveteri to Moimenta da Beira | 1,020.47 mi (1,642.28 km) |
| Cerveteri to Moita | 1,131.36 mi (1,820.76 km) |
| Cerveteri to Moncao | 1,053.55 mi (1,695.52 km) |
| Cerveteri to Montalegre | 1,020.55 mi (1,642.42 km) |
