| Alton to Pombal | 858.87 mi (1,382.22 km) |
| Alton to Ponta Delgada | 1,518.02 mi (2,443.02 km) |
| Alton to Ponta do Sol | 1,514.42 mi (2,437.22 km) |
| Alton to Ponte da Barca | 735.76 mi (1,184.10 km) |
| Alton to Ponte de Lima | 741.25 mi (1,192.92 km) |
| Alton to Ponte de Sor | 889.77 mi (1,431.95 km) |
| Alton to Portalegre | 874.74 mi (1,407.75 km) |
| Alton to Portimao | 1,036.90 mi (1,668.74 km) |
| Alton to Porto | 780.10 mi (1,255.44 km) |
| Alton to Porto de Mos | 882.80 mi (1,420.73 km) |
| Alton to Povoa de Lanhoso | 746.96 mi (1,202.12 km) |
| Alton to Povoa de Santa Iria | 935.17 mi (1,505.01 km) |
| Alton to Povoa de Varzim | 769.65 mi (1,238.63 km) |
| Alton to Praia da Vitoria | 1,524.62 mi (2,453.64 km) |
| Alton to Praia do Carvoeiro | 1,036.64 mi (1,668.32 km) |
