| Prestwick to Mangualde | 1,038.84 mi (1,671.85 km) |
| Prestwick to Marco de Canavezes | 1,001.80 mi (1,612.24 km) |
| Prestwick to Marinha Grande | 1,105.82 mi (1,779.64 km) |
| Prestwick to Massama | 1,176.45 mi (1,893.31 km) |
| Prestwick to Matosinhos | 1,006.09 mi (1,619.14 km) |
| Prestwick to Mealhada | 1,058.74 mi (1,703.87 km) |
| Prestwick to Melgaco | 938.88 mi (1,510.99 km) |
| Prestwick to Melres | 1,011.64 mi (1,628.08 km) |
| Prestwick to Mira | 1,057.54 mi (1,701.94 km) |
| Prestwick to Miranda do Corvo | 1,077.26 mi (1,733.68 km) |
| Prestwick to Mirandela | 974.96 mi (1,569.05 km) |
| Prestwick to Mogadouro | 983.14 mi (1,582.21 km) |
| Prestwick to Moimenta da Beira | 1,012.16 mi (1,628.92 km) |
| Prestwick to Moita | 1,181.35 mi (1,901.21 km) |
| Prestwick to Moncao | 943.57 mi (1,518.53 km) |
