| Littleborough to Mangualde | 938.73 mi (1,510.73 km) |
| Littleborough to Marco de Canavezes | 905.44 mi (1,457.17 km) |
| Littleborough to Marinha Grande | 1,012.01 mi (1,628.67 km) |
| Littleborough to Massama | 1,083.01 mi (1,742.93 km) |
| Littleborough to Matosinhos | 913.65 mi (1,470.37 km) |
| Littleborough to Mealhada | 962.90 mi (1,549.64 km) |
| Littleborough to Melgaco | 845.41 mi (1,360.56 km) |
| Littleborough to Melres | 916.81 mi (1,475.47 km) |
| Littleborough to Mira | 963.73 mi (1,550.97 km) |
| Littleborough to Miranda do Corvo | 980.12 mi (1,577.34 km) |
| Littleborough to Mirandela | 872.31 mi (1,403.85 km) |
| Littleborough to Mogadouro | 877.02 mi (1,411.43 km) |
| Littleborough to Moimenta da Beira | 911.68 mi (1,467.20 km) |
| Littleborough to Moita | 1,085.90 mi (1,747.59 km) |
| Littleborough to Moncao | 851.60 mi (1,370.52 km) |
