| Davenport to Mangualde | 4,134.14 mi (6,653.26 km) |
| Davenport to Marco de Canavezes | 4,096.30 mi (6,592.35 km) |
| Davenport to Marinha Grande | 4,111.19 mi (6,616.33 km) |
| Davenport to Massama | 4,130.81 mi (6,647.90 km) |
| Davenport to Matosinhos | 4,071.59 mi (6,552.59 km) |
| Davenport to Mealhada | 4,110.83 mi (6,615.74 km) |
| Davenport to Melgaco | 4,058.74 mi (6,531.92 km) |
| Davenport to Melres | 4,089.13 mi (6,580.83 km) |
| Davenport to Mira | 4,096.24 mi (6,592.26 km) |
| Davenport to Miranda do Corvo | 4,126.12 mi (6,640.35 km) |
| Davenport to Mirandela | 4,128.99 mi (6,644.97 km) |
| Davenport to Mogadouro | 4,155.07 mi (6,686.94 km) |
| Davenport to Moimenta da Beira | 4,127.50 mi (6,642.58 km) |
| Davenport to Moita | 4,148.08 mi (6,675.68 km) |
| Davenport to Moncao | 4,050.74 mi (6,519.04 km) |
