| Barreiro to Penne | 1,230.41 mi (1,980.15 km) |
| Barreiro to Pergine Valsugana | 1,151.08 mi (1,852.49 km) |
| Barreiro to Perugia | 1,158.41 mi (1,864.27 km) |
| Barreiro to Pesaro | 1,192.50 mi (1,919.14 km) |
| Barreiro to Pescantina | 1,121.57 mi (1,804.99 km) |
| Barreiro to Pescara | 1,245.61 mi (2,004.61 km) |
| Barreiro to Peschiera del Garda | 1,112.41 mi (1,790.24 km) |
| Barreiro to Pescia | 1,084.44 mi (1,745.24 km) |
| Barreiro to Petilia Policastro | 1,385.79 mi (2,230.21 km) |
| Barreiro to Piacenza | 1,058.38 mi (1,703.29 km) |
| Barreiro to Pianella | 1,236.92 mi (1,990.63 km) |
| Barreiro to Pianezza | 960.73 mi (1,546.15 km) |
| Barreiro to Pianiga | 1,173.97 mi (1,889.32 km) |
| Barreiro to Piano di Sorrento | 1,252.60 mi (2,015.87 km) |
| Barreiro to Pianoro | 1,123.06 mi (1,807.39 km) |
