| Pontneddfechan to Mangualde | 795.58 mi (1,280.36 km) |
| Pontneddfechan to Marco de Canavezes | 761.65 mi (1,225.76 km) |
| Pontneddfechan to Marinha Grande | 868.01 mi (1,396.92 km) |
| Pontneddfechan to Massama | 939.02 mi (1,511.20 km) |
| Pontneddfechan to Matosinhos | 769.42 mi (1,238.26 km) |
| Pontneddfechan to Mealhada | 819.10 mi (1,318.22 km) |
| Pontneddfechan to Melgaco | 701.23 mi (1,128.51 km) |
| Pontneddfechan to Melres | 772.84 mi (1,243.77 km) |
| Pontneddfechan to Mira | 819.69 mi (1,319.16 km) |
| Pontneddfechan to Miranda do Corvo | 836.52 mi (1,346.25 km) |
| Pontneddfechan to Mirandela | 729.57 mi (1,174.12 km) |
| Pontneddfechan to Mogadouro | 735.11 mi (1,183.04 km) |
| Pontneddfechan to Moimenta da Beira | 768.56 mi (1,236.88 km) |
| Pontneddfechan to Moita | 942.16 mi (1,516.27 km) |
| Pontneddfechan to Moncao | 707.28 mi (1,138.26 km) |
