| Norton to Mangualde | 1,010.80 mi (1,626.73 km) |
| Norton to Marco de Canavezes | 977.75 mi (1,573.54 km) |
| Norton to Marinha Grande | 1,084.38 mi (1,745.15 km) |
| Norton to Massama | 1,155.38 mi (1,859.40 km) |
| Norton to Matosinhos | 986.10 mi (1,586.98 km) |
| Norton to Mealhada | 1,035.21 mi (1,666.01 km) |
| Norton to Melgaco | 917.86 mi (1,477.16 km) |
| Norton to Melres | 989.19 mi (1,591.94 km) |
| Norton to Mira | 1,036.12 mi (1,667.48 km) |
| Norton to Miranda do Corvo | 1,052.35 mi (1,693.59 km) |
| Norton to Mirandela | 944.25 mi (1,519.62 km) |
| Norton to Mogadouro | 948.65 mi (1,526.71 km) |
| Norton to Moimenta da Beira | 983.74 mi (1,583.18 km) |
| Norton to Moita | 1,158.18 mi (1,863.90 km) |
| Norton to Moncao | 924.09 mi (1,487.18 km) |
