| Deerfield to Mangualde | 3,989.60 mi (6,420.65 km) |
| Deerfield to Marco de Canavezes | 3,951.98 mi (6,360.10 km) |
| Deerfield to Marinha Grande | 3,965.95 mi (6,382.57 km) |
| Deerfield to Massama | 3,985.04 mi (6,413.30 km) |
| Deerfield to Matosinhos | 3,927.14 mi (6,320.12 km) |
| Deerfield to Mealhada | 3,966.01 mi (6,382.67 km) |
| Deerfield to Melgaco | 3,914.95 mi (6,300.51 km) |
| Deerfield to Melres | 3,944.69 mi (6,348.37 km) |
| Deerfield to Mira | 3,951.38 mi (6,359.13 km) |
| Deerfield to Miranda do Corvo | 3,981.18 mi (6,407.09 km) |
| Deerfield to Mirandela | 3,985.10 mi (6,413.40 km) |
| Deerfield to Mogadouro | 4,011.21 mi (6,455.42 km) |
| Deerfield to Moimenta da Beira | 3,983.21 mi (6,410.36 km) |
| Deerfield to Moita | 4,002.32 mi (6,441.11 km) |
| Deerfield to Moncao | 3,906.87 mi (6,287.50 km) |
