| Carolina Forest to Mangualde | 3,838.42 mi (6,177.34 km) |
| Carolina Forest to Marco de Canavezes | 3,807.21 mi (6,127.11 km) |
| Carolina Forest to Marinha Grande | 3,797.07 mi (6,110.79 km) |
| Carolina Forest to Massama | 3,800.51 mi (6,116.33 km) |
| Carolina Forest to Matosinhos | 3,779.82 mi (6,083.03 km) |
| Carolina Forest to Mealhada | 3,808.42 mi (6,129.06 km) |
| Carolina Forest to Melgaco | 3,783.10 mi (6,088.30 km) |
| Carolina Forest to Melres | 3,797.09 mi (6,110.83 km) |
| Carolina Forest to Mira | 3,793.16 mi (6,104.50 km) |
| Carolina Forest to Miranda do Corvo | 3,820.14 mi (6,147.92 km) |
| Carolina Forest to Mirandela | 3,849.14 mi (6,194.60 km) |
| Carolina Forest to Mogadouro | 3,875.27 mi (6,236.65 km) |
| Carolina Forest to Moimenta da Beira | 3,838.05 mi (6,176.74 km) |
| Carolina Forest to Moita | 3,817.74 mi (6,144.06 km) |
| Carolina Forest to Moncao | 3,773.42 mi (6,072.74 km) |
