| Darien to Mangualde | 4,009.16 mi (6,452.12 km) |
| Darien to Marco de Canavezes | 3,971.70 mi (6,391.84 km) |
| Darien to Marinha Grande | 3,984.94 mi (6,413.15 km) |
| Darien to Massama | 4,003.56 mi (6,443.11 km) |
| Darien to Matosinhos | 3,946.77 mi (6,351.71 km) |
| Darien to Mealhada | 3,985.35 mi (6,413.80 km) |
| Darien to Melgaco | 3,935.03 mi (6,332.82 km) |
| Darien to Melres | 3,964.33 mi (6,379.97 km) |
| Darien to Mira | 3,970.69 mi (6,390.21 km) |
| Darien to Miranda do Corvo | 4,000.43 mi (6,438.07 km) |
| Darien to Mirandela | 4,005.11 mi (6,445.60 km) |
| Darien to Mogadouro | 4,031.24 mi (6,487.65 km) |
| Darien to Moimenta da Beira | 4,002.94 mi (6,442.11 km) |
| Darien to Moita | 4,020.85 mi (6,470.94 km) |
| Darien to Moncao | 3,926.90 mi (6,319.73 km) |
