| Mercer Island to Police | 5,007.17 mi (8,058.26 km) |
| Mercer Island to Polkowice | 5,160.74 mi (8,305.42 km) |
| Mercer Island to Poniatowa | 5,293.16 mi (8,518.52 km) |
| Mercer Island to Poznan | 5,122.14 mi (8,243.29 km) |
| Mercer Island to Prudnik | 5,263.15 mi (8,470.22 km) |
| Mercer Island to Pruszcz Gdanski | 5,039.32 mi (8,110.00 km) |
| Mercer Island to Pruszkow | 5,208.89 mi (8,382.90 km) |
| Mercer Island to Przasnysz | 5,157.05 mi (8,299.47 km) |
| Mercer Island to Przemysl | 5,394.12 mi (8,681.00 km) |
| Mercer Island to Przeworsk | 5,371.44 mi (8,644.50 km) |
| Mercer Island to Pszczyna | 5,311.03 mi (8,547.28 km) |
| Mercer Island to Puck | 5,008.35 mi (8,060.16 km) |
| Mercer Island to Pulawy | 5,276.67 mi (8,491.97 km) |
| Mercer Island to Pultusk | 5,180.41 mi (8,337.07 km) |
| Mercer Island to Puszczykowo | 5,128.38 mi (8,253.32 km) |
