| Aldenham to Montalegre | 765.27 mi (1,231.58 km) |
| Aldenham to Montemor-o-Novo | 976.52 mi (1,571.56 km) |
| Aldenham to Montemor-o-Velho | 888.71 mi (1,430.25 km) |
| Aldenham to Montijo | 987.66 mi (1,589.49 km) |
| Aldenham to Mortagua | 862.37 mi (1,387.85 km) |
| Aldenham to Moura | 996.66 mi (1,603.97 km) |
| Aldenham to Murtosa | 851.94 mi (1,371.07 km) |
| Aldenham to Nazare | 932.74 mi (1,501.10 km) |
| Aldenham to Nelas | 849.26 mi (1,366.76 km) |
| Aldenham to Obidos | 950.00 mi (1,528.88 km) |
| Aldenham to Odemira | 1,053.52 mi (1,695.48 km) |
| Aldenham to Odivelas | 986.54 mi (1,587.69 km) |
| Aldenham to Oeiras | 996.22 mi (1,603.26 km) |
| Aldenham to Olhao | 1,076.06 mi (1,731.74 km) |
| Aldenham to Oliveira de Azemeis | 841.79 mi (1,354.73 km) |
