| Harpenden to Ovidiu | 1,422.13 mi (2,288.70 km) |
| Harpenden to Pantelimon | 1,316.64 mi (2,118.93 km) |
| Harpenden to Pascani | 1,246.67 mi (2,006.32 km) |
| Harpenden to Pechea | 1,342.55 mi (2,160.62 km) |
| Harpenden to Pecica | 1,041.82 mi (1,676.65 km) |
| Harpenden to Petrila | 1,164.64 mi (1,874.31 km) |
| Harpenden to Petrosani | 1,164.03 mi (1,873.33 km) |
| Harpenden to Piatra Neamt | 1,240.96 mi (1,997.13 km) |
| Harpenden to Pitesti | 1,246.07 mi (2,005.36 km) |
| Harpenden to Ploiesti | 1,291.44 mi (2,078.37 km) |
| Harpenden to Podu Iloaiei | 1,270.61 mi (2,044.85 km) |
| Harpenden to Poiana Mare | 1,207.73 mi (1,943.65 km) |
| Harpenden to Poienile de sub Munte | 1,132.98 mi (1,823.36 km) |
| Harpenden to Popesti-Leordeni | 1,317.97 mi (2,121.08 km) |
| Harpenden to Pucioasa | 1,262.06 mi (2,031.09 km) |
