| Ferentino to Marco de Canavezes | 1,106.23 mi (1,780.30 km) |
| Ferentino to Marinha Grande | 1,166.10 mi (1,876.66 km) |
| Ferentino to Massama | 1,201.86 mi (1,934.21 km) |
| Ferentino to Matosinhos | 1,134.48 mi (1,825.77 km) |
| Ferentino to Mealhada | 1,131.54 mi (1,821.04 km) |
| Ferentino to Melgaco | 1,104.01 mi (1,776.74 km) |
| Ferentino to Melres | 1,120.35 mi (1,803.03 km) |
| Ferentino to Mira | 1,145.45 mi (1,843.42 km) |
| Ferentino to Miranda do Corvo | 1,129.63 mi (1,817.97 km) |
| Ferentino to Mirandela | 1,053.53 mi (1,695.48 km) |
| Ferentino to Mogadouro | 1,031.07 mi (1,659.35 km) |
| Ferentino to Moimenta da Beira | 1,080.90 mi (1,739.53 km) |
| Ferentino to Moita | 1,189.00 mi (1,913.50 km) |
| Ferentino to Moncao | 1,115.20 mi (1,794.74 km) |
| Ferentino to Montalegre | 1,081.92 mi (1,741.17 km) |
