| Peebles to Mangualde | 1,060.28 mi (1,706.36 km) |
| Peebles to Marco de Canavezes | 1,024.59 mi (1,648.91 km) |
| Peebles to Marinha Grande | 1,129.76 mi (1,818.18 km) |
| Peebles to Massama | 1,200.66 mi (1,932.27 km) |
| Peebles to Matosinhos | 1,030.32 mi (1,658.15 km) |
| Peebles to Mealhada | 1,081.84 mi (1,741.06 km) |
| Peebles to Melgaco | 962.58 mi (1,549.12 km) |
| Peebles to Melres | 1,035.02 mi (1,665.70 km) |
| Peebles to Mira | 1,081.39 mi (1,740.33 km) |
| Peebles to Miranda do Corvo | 1,099.91 mi (1,770.13 km) |
| Peebles to Mirandela | 995.28 mi (1,601.74 km) |
| Peebles to Mogadouro | 1,002.09 mi (1,612.71 km) |
| Peebles to Moimenta da Beira | 1,033.41 mi (1,663.11 km) |
| Peebles to Moita | 1,204.82 mi (1,938.98 km) |
| Peebles to Moncao | 967.82 mi (1,557.56 km) |
