| Gretna to Police | 5,132.05 mi (8,259.24 km) |
| Gretna to Polkowice | 5,257.15 mi (8,460.57 km) |
| Gretna to Poniatowa | 5,486.05 mi (8,828.95 km) |
| Gretna to Poznan | 5,256.31 mi (8,459.21 km) |
| Gretna to Prudnik | 5,355.78 mi (8,619.29 km) |
| Gretna to Pruszcz Gdanski | 5,248.35 mi (8,446.41 km) |
| Gretna to Pruszkow | 5,402.76 mi (8,694.90 km) |
| Gretna to Przasnysz | 5,372.72 mi (8,646.56 km) |
| Gretna to Przemysl | 5,567.35 mi (8,959.79 km) |
| Gretna to Przeworsk | 5,546.28 mi (8,925.87 km) |
| Gretna to Pszczyna | 5,419.60 mi (8,722.01 km) |
| Gretna to Puck | 5,224.53 mi (8,408.07 km) |
| Gretna to Pulawy | 5,473.24 mi (8,808.32 km) |
| Gretna to Pultusk | 5,391.91 mi (8,677.45 km) |
| Gretna to Puszczykowo | 5,257.99 mi (8,461.92 km) |
