| Spilamberto to Marco de Canavezes | 995.44 mi (1,602.00 km) |
| Spilamberto to Marinha Grande | 1,070.98 mi (1,723.57 km) |
| Spilamberto to Massama | 1,117.46 mi (1,798.37 km) |
| Spilamberto to Matosinhos | 1,022.35 mi (1,645.32 km) |
| Spilamberto to Mealhada | 1,030.08 mi (1,657.75 km) |
| Spilamberto to Melgaco | 981.13 mi (1,578.98 km) |
| Spilamberto to Melres | 1,010.42 mi (1,626.11 km) |
| Spilamberto to Mira | 1,042.53 mi (1,677.80 km) |
| Spilamberto to Miranda do Corvo | 1,032.09 mi (1,660.99 km) |
| Spilamberto to Mirandela | 941.12 mi (1,514.59 km) |
| Spilamberto to Mogadouro | 921.89 mi (1,483.63 km) |
| Spilamberto to Moimenta da Beira | 974.12 mi (1,567.70 km) |
| Spilamberto to Moita | 1,106.97 mi (1,781.49 km) |
| Spilamberto to Moncao | 992.47 mi (1,597.23 km) |
| Spilamberto to Montalegre | 963.70 mi (1,550.93 km) |
