| Penicuik to Mangualde | 1,071.72 mi (1,724.77 km) |
| Penicuik to Marco de Canavezes | 1,035.92 mi (1,667.15 km) |
| Penicuik to Marinha Grande | 1,141.01 mi (1,836.28 km) |
| Penicuik to Massama | 1,211.89 mi (1,950.35 km) |
| Penicuik to Matosinhos | 1,041.54 mi (1,676.20 km) |
| Penicuik to Mealhada | 1,093.16 mi (1,759.27 km) |
| Penicuik to Melgaco | 973.84 mi (1,567.24 km) |
| Penicuik to Melres | 1,046.31 mi (1,683.87 km) |
| Penicuik to Mira | 1,092.64 mi (1,758.44 km) |
| Penicuik to Miranda do Corvo | 1,111.26 mi (1,788.40 km) |
| Penicuik to Mirandela | 1,006.79 mi (1,620.27 km) |
| Penicuik to Mogadouro | 1,013.70 mi (1,631.38 km) |
| Penicuik to Moimenta da Beira | 1,044.86 mi (1,681.54 km) |
| Penicuik to Moita | 1,216.12 mi (1,957.16 km) |
| Penicuik to Moncao | 979.03 mi (1,575.60 km) |
