| Barreiro to Piazza Armerina | 1,275.03 mi (2,051.97 km) |
| Barreiro to Piazzola sul Brenta | 1,164.22 mi (1,873.62 km) |
| Barreiro to Pietrasanta | 1,062.26 mi (1,709.55 km) |
| Barreiro to Pieve di Soligo | 1,189.72 mi (1,914.68 km) |
| Barreiro to Pinerolo | 945.58 mi (1,521.76 km) |
| Barreiro to Pioltello | 1,051.70 mi (1,692.55 km) |
| Barreiro to Piombino | 1,063.34 mi (1,711.29 km) |
| Barreiro to Piombino Dese | 1,176.38 mi (1,893.20 km) |
| Barreiro to Piossasco | 954.18 mi (1,535.61 km) |
| Barreiro to Piove di Sacco | 1,172.29 mi (1,886.61 km) |
| Barreiro to Pisa | 1,067.56 mi (1,718.08 km) |
| Barreiro to Pisticci | 1,365.59 mi (2,197.70 km) |
| Barreiro to Pistoia | 1,095.94 mi (1,763.75 km) |
| Barreiro to Pizzo | 1,356.31 mi (2,182.77 km) |
| Barreiro to Podenzano | 1,055.48 mi (1,698.63 km) |
