| Telfs to Marco de Canavezes | 1,037.66 mi (1,669.96 km) |
| Telfs to Marinha Grande | 1,125.48 mi (1,811.29 km) |
| Telfs to Massama | 1,180.14 mi (1,899.26 km) |
| Telfs to Matosinhos | 1,062.36 mi (1,709.70 km) |
| Telfs to Mealhada | 1,080.03 mi (1,738.13 km) |
| Telfs to Melgaco | 1,011.73 mi (1,628.22 km) |
| Telfs to Melres | 1,052.96 mi (1,694.58 km) |
| Telfs to Mira | 1,090.73 mi (1,755.36 km) |
| Telfs to Miranda do Corvo | 1,085.61 mi (1,747.11 km) |
| Telfs to Mirandela | 983.78 mi (1,583.23 km) |
| Telfs to Mogadouro | 968.43 mi (1,558.54 km) |
| Telfs to Moimenta da Beira | 1,020.99 mi (1,643.12 km) |
| Telfs to Moita | 1,172.00 mi (1,886.15 km) |
| Telfs to Moncao | 1,022.82 mi (1,646.07 km) |
| Telfs to Montalegre | 999.71 mi (1,608.88 km) |
