| Herndon to Ovidiu | 5,069.95 mi (8,159.29 km) |
| Herndon to Pantelimon | 4,970.47 mi (7,999.20 km) |
| Herndon to Pascani | 4,873.94 mi (7,843.84 km) |
| Herndon to Pechea | 4,982.37 mi (8,018.34 km) |
| Herndon to Pecica | 4,698.74 mi (7,561.89 km) |
| Herndon to Petrila | 4,820.08 mi (7,757.17 km) |
| Herndon to Petrosani | 4,819.75 mi (7,756.65 km) |
| Herndon to Piatra Neamt | 4,873.85 mi (7,843.71 km) |
| Herndon to Pitesti | 4,901.08 mi (7,887.53 km) |
| Herndon to Ploiesti | 4,942.99 mi (7,954.98 km) |
| Herndon to Podu Iloaiei | 4,895.50 mi (7,878.54 km) |
| Herndon to Poiana Mare | 4,867.72 mi (7,833.83 km) |
| Herndon to Poienile de sub Munte | 4,764.41 mi (7,667.57 km) |
| Herndon to Popesti-Leordeni | 4,972.23 mi (8,002.03 km) |
| Herndon to Pucioasa | 4,914.50 mi (7,909.12 km) |
