| Portsmouth to Pachino | 1,259.22 mi (2,026.53 km) |
| Portsmouth to Paderno Dugnano | 594.06 mi (956.04 km) |
| Portsmouth to Padova | 703.48 mi (1,132.14 km) |
| Portsmouth to Paese | 703.62 mi (1,132.36 km) |
| Portsmouth to Palagiano | 1,119.51 mi (1,801.68 km) |
| Portsmouth to Palagonia | 1,213.19 mi (1,952.44 km) |
| Portsmouth to Palazzolo Acreide | 1,233.40 mi (1,984.97 km) |
| Portsmouth to Palermo | 1,125.63 mi (1,811.52 km) |
| Portsmouth to Palestrina | 908.15 mi (1,461.53 km) |
| Portsmouth to Pallazzolo sull'Oglio | 619.13 mi (996.40 km) |
| Portsmouth to Palma Campania | 1,015.11 mi (1,633.67 km) |
| Portsmouth to Palma di Montechiaro | 1,190.92 mi (1,916.60 km) |
| Portsmouth to Palmi | 1,191.68 mi (1,917.82 km) |
| Portsmouth to Palo del Colle | 1,083.80 mi (1,744.21 km) |
| Portsmouth to Palombara Sabina | 891.63 mi (1,434.94 km) |
