| Dayton to Mangualde | 3,897.58 mi (6,272.54 km) |
| Dayton to Marco de Canavezes | 3,861.78 mi (6,214.94 km) |
| Dayton to Marinha Grande | 3,868.20 mi (6,225.27 km) |
| Dayton to Massama | 3,882.48 mi (6,248.25 km) |
| Dayton to Matosinhos | 3,835.99 mi (6,173.43 km) |
| Dayton to Mealhada | 3,871.82 mi (6,231.10 km) |
| Dayton to Melgaco | 3,828.65 mi (6,161.62 km) |
| Dayton to Melres | 3,853.55 mi (6,201.70 km) |
| Dayton to Mira | 3,856.91 mi (6,207.10 km) |
| Dayton to Miranda do Corvo | 3,885.99 mi (6,253.90 km) |
| Dayton to Mirandela | 3,897.88 mi (6,273.04 km) |
| Dayton to Mogadouro | 3,924.14 mi (6,315.30 km) |
| Dayton to Moimenta da Beira | 3,893.06 mi (6,265.27 km) |
| Dayton to Moita | 3,899.83 mi (6,276.18 km) |
| Dayton to Moncao | 3,820.02 mi (6,147.72 km) |
