| Deerfield Beach to Mangualde | 4,170.30 mi (6,711.44 km) |
| Deerfield Beach to Marco de Canavezes | 4,143.15 mi (6,667.75 km) |
| Deerfield Beach to Marinha Grande | 4,120.20 mi (6,630.83 km) |
| Deerfield Beach to Massama | 4,114.87 mi (6,622.25 km) |
| Deerfield Beach to Matosinhos | 4,114.97 mi (6,622.41 km) |
| Deerfield Beach to Mealhada | 4,137.47 mi (6,658.61 km) |
| Deerfield Beach to Melgaco | 4,126.30 mi (6,640.64 km) |
| Deerfield Beach to Melres | 4,131.73 mi (6,649.38 km) |
| Deerfield Beach to Mira | 4,122.19 mi (6,634.02 km) |
| Deerfield Beach to Miranda do Corvo | 4,147.07 mi (6,674.06 km) |
| Deerfield Beach to Mirandela | 4,188.88 mi (6,741.35 km) |
| Deerfield Beach to Mogadouro | 4,214.50 mi (6,782.57 km) |
| Deerfield Beach to Moimenta da Beira | 4,173.14 mi (6,716.02 km) |
| Deerfield Beach to Moita | 4,131.70 mi (6,649.33 km) |
| Deerfield Beach to Moncao | 4,116.00 mi (6,624.07 km) |
