| San Carlos Park to Mangualde | 4,250.77 mi (6,840.96 km) |
| San Carlos Park to Marco de Canavezes | 4,222.92 mi (6,796.14 km) |
| San Carlos Park to Marinha Grande | 4,202.04 mi (6,762.53 km) |
| San Carlos Park to Massama | 4,198.06 mi (6,756.13 km) |
| San Carlos Park to Matosinhos | 4,194.85 mi (6,750.96 km) |
| San Carlos Park to Mealhada | 4,218.38 mi (6,788.82 km) |
| San Carlos Park to Melgaco | 4,204.82 mi (6,767.00 km) |
| San Carlos Park to Melres | 4,211.71 mi (6,778.10 km) |
| San Carlos Park to Mira | 4,203.08 mi (6,764.21 km) |
| San Carlos Park to Miranda do Corvo | 4,228.33 mi (6,804.83 km) |
| San Carlos Park to Mirandela | 4,268.05 mi (6,868.77 km) |
| San Carlos Park to Mogadouro | 4,293.78 mi (6,910.18 km) |
| San Carlos Park to Moimenta da Beira | 4,253.09 mi (6,844.68 km) |
| San Carlos Park to Moita | 4,214.97 mi (6,783.34 km) |
| San Carlos Park to Moncao | 4,194.62 mi (6,750.58 km) |
