| Herndon to Police | 4,191.06 mi (6,744.86 km) |
| Herndon to Polkowice | 4,312.58 mi (6,940.42 km) |
| Herndon to Poniatowa | 4,546.11 mi (7,316.26 km) |
| Herndon to Poznan | 4,314.50 mi (6,943.51 km) |
| Herndon to Prudnik | 4,409.96 mi (7,097.14 km) |
| Herndon to Pruszcz Gdanski | 4,313.21 mi (6,941.44 km) |
| Herndon to Pruszkow | 4,463.99 mi (7,184.10 km) |
| Herndon to Przasnysz | 4,436.34 mi (7,139.60 km) |
| Herndon to Przemysl | 4,624.88 mi (7,443.03 km) |
| Herndon to Przeworsk | 4,604.17 mi (7,409.69 km) |
| Herndon to Pszczyna | 4,474.18 mi (7,200.50 km) |
| Herndon to Puck | 4,290.47 mi (6,904.84 km) |
| Herndon to Pulawy | 4,533.76 mi (7,296.39 km) |
| Herndon to Pultusk | 4,454.87 mi (7,169.41 km) |
| Herndon to Puszczykowo | 4,315.81 mi (6,945.63 km) |
