| Winter Haven to Mangualde | 4,186.21 mi (6,737.05 km) |
| Winter Haven to Marco de Canavezes | 4,157.51 mi (6,690.86 km) |
| Winter Haven to Marinha Grande | 4,139.22 mi (6,661.43 km) |
| Winter Haven to Massama | 4,137.03 mi (6,657.90 km) |
| Winter Haven to Matosinhos | 4,129.58 mi (6,645.91 km) |
| Winter Haven to Mealhada | 4,154.36 mi (6,685.80 km) |
| Winter Haven to Melgaco | 4,137.91 mi (6,659.32 km) |
| Winter Haven to Melres | 4,146.56 mi (6,673.24 km) |
| Winter Haven to Mira | 4,139.06 mi (6,661.18 km) |
| Winter Haven to Miranda do Corvo | 4,164.75 mi (6,702.52 km) |
| Winter Haven to Mirandela | 4,201.89 mi (6,762.29 km) |
| Winter Haven to Mogadouro | 4,227.74 mi (6,803.90 km) |
| Winter Haven to Moimenta da Beira | 4,187.86 mi (6,739.72 km) |
| Winter Haven to Moita | 4,154.03 mi (6,685.26 km) |
| Winter Haven to Moncao | 4,127.83 mi (6,643.10 km) |
