| Prestwick to Montalegre | 955.49 mi (1,537.71 km) |
| Prestwick to Montemor-o-Novo | 1,175.80 mi (1,892.27 km) |
| Prestwick to Montemor-o-Velho | 1,075.34 mi (1,730.60 km) |
| Prestwick to Montijo | 1,178.42 mi (1,896.49 km) |
| Prestwick to Mortagua | 1,053.72 mi (1,695.80 km) |
| Prestwick to Moura | 1,206.84 mi (1,942.21 km) |
| Prestwick to Murtosa | 1,036.25 mi (1,667.68 km) |
| Prestwick to Nazare | 1,117.16 mi (1,797.90 km) |
| Prestwick to Nelas | 1,045.41 mi (1,682.42 km) |
| Prestwick to Obidos | 1,134.43 mi (1,825.69 km) |
| Prestwick to Odemira | 1,251.75 mi (2,014.50 km) |
| Prestwick to Odivelas | 1,173.36 mi (1,888.35 km) |
| Prestwick to Oeiras | 1,181.82 mi (1,901.96 km) |
| Prestwick to Olhao | 1,285.06 mi (2,068.10 km) |
| Prestwick to Oliveira de Azemeis | 1,027.71 mi (1,653.94 km) |
