| Rosignano Marittimo to Marco de Canavezes | 961.67 mi (1,547.66 km) |
| Rosignano Marittimo to Marinha Grande | 1,031.36 mi (1,659.81 km) |
| Rosignano Marittimo to Massama | 1,074.10 mi (1,728.59 km) |
| Rosignano Marittimo to Matosinhos | 989.25 mi (1,592.05 km) |
| Rosignano Marittimo to Mealhada | 992.72 mi (1,597.63 km) |
| Rosignano Marittimo to Melgaco | 952.45 mi (1,532.82 km) |
| Rosignano Marittimo to Melres | 976.36 mi (1,571.31 km) |
| Rosignano Marittimo to Mira | 1,005.80 mi (1,618.68 km) |
| Rosignano Marittimo to Miranda do Corvo | 993.23 mi (1,598.44 km) |
| Rosignano Marittimo to Mirandela | 907.77 mi (1,460.91 km) |
| Rosignano Marittimo to Mogadouro | 887.10 mi (1,427.66 km) |
| Rosignano Marittimo to Moimenta da Beira | 938.62 mi (1,510.56 km) |
| Rosignano Marittimo to Moita | 1,062.73 mi (1,710.29 km) |
| Rosignano Marittimo to Moncao | 963.77 mi (1,551.03 km) |
| Rosignano Marittimo to Montalegre | 932.91 mi (1,501.37 km) |
