| South Portland to Police | 3,703.11 mi (5,959.58 km) |
| South Portland to Polkowice | 3,823.92 mi (6,154.00 km) |
| South Portland to Poniatowa | 4,058.30 mi (6,531.21 km) |
| South Portland to Poznan | 3,826.34 mi (6,157.90 km) |
| South Portland to Prudnik | 3,921.13 mi (6,310.44 km) |
| South Portland to Pruszcz Gdanski | 3,826.73 mi (6,158.53 km) |
| South Portland to Pruszkow | 3,976.48 mi (6,399.53 km) |
| South Portland to Przasnysz | 3,949.46 mi (6,356.04 km) |
| South Portland to Przemysl | 4,136.53 mi (6,657.11 km) |
| South Portland to Przeworsk | 4,115.89 mi (6,623.89 km) |
| South Portland to Pszczyna | 3,985.40 mi (6,413.87 km) |
| South Portland to Puck | 3,804.32 mi (6,122.46 km) |
| South Portland to Pulawy | 4,046.07 mi (6,511.52 km) |
| South Portland to Pultusk | 3,967.80 mi (6,385.56 km) |
| South Portland to Puszczykowo | 3,827.58 mi (6,159.89 km) |
