| Southborough to Pombal | 886.63 mi (1,426.90 km) |
| Southborough to Ponta Delgada | 1,566.26 mi (2,520.65 km) |
| Southborough to Ponta do Sol | 1,549.54 mi (2,493.74 km) |
| Southborough to Ponte da Barca | 766.18 mi (1,233.05 km) |
| Southborough to Ponte de Lima | 772.00 mi (1,242.42 km) |
| Southborough to Ponte de Sor | 914.97 mi (1,472.51 km) |
| Southborough to Portalegre | 898.41 mi (1,445.85 km) |
| Southborough to Portimao | 1,060.85 mi (1,707.27 km) |
| Southborough to Porto | 809.88 mi (1,303.38 km) |
| Southborough to Porto de Mos | 910.57 mi (1,465.42 km) |
| Southborough to Povoa de Lanhoso | 776.53 mi (1,249.70 km) |
| Southborough to Povoa de Santa Iria | 962.52 mi (1,549.02 km) |
| Southborough to Povoa de Varzim | 800.19 mi (1,287.78 km) |
| Southborough to Praia da Vitoria | 1,574.37 mi (2,533.70 km) |
| Southborough to Praia do Carvoeiro | 1,060.38 mi (1,706.52 km) |
