| Middle River to Police | 4,136.99 mi (6,657.84 km) |
| Middle River to Polkowice | 4,257.98 mi (6,852.55 km) |
| Middle River to Poniatowa | 4,492.13 mi (7,229.38 km) |
| Middle River to Poznan | 4,260.30 mi (6,856.28 km) |
| Middle River to Prudnik | 4,355.16 mi (7,008.95 km) |
| Middle River to Pruszcz Gdanski | 4,259.87 mi (6,855.60 km) |
| Middle River to Pruszkow | 4,410.17 mi (7,097.48 km) |
| Middle River to Przasnysz | 4,382.83 mi (7,053.48 km) |
| Middle River to Przemysl | 4,570.55 mi (7,355.59 km) |
| Middle River to Przeworsk | 4,549.89 mi (7,322.33 km) |
| Middle River to Pszczyna | 4,419.44 mi (7,112.40 km) |
| Middle River to Puck | 4,237.26 mi (6,819.22 km) |
| Middle River to Pulawy | 4,479.84 mi (7,209.61 km) |
| Middle River to Pultusk | 4,401.27 mi (7,083.16 km) |
| Middle River to Puszczykowo | 4,261.56 mi (6,858.31 km) |
