| Harpenden to Pfungstadt | 414.68 mi (667.36 km) |
| Harpenden to Philippsburg | 425.52 mi (684.80 km) |
| Harpenden to Pinneberg | 442.53 mi (712.18 km) |
| Harpenden to Pirmasens | 393.17 mi (632.74 km) |
| Harpenden to Pirna | 618.06 mi (994.67 km) |
| Harpenden to Planegg | 582.27 mi (937.07 km) |
| Harpenden to Plankstadt | 426.21 mi (685.92 km) |
| Harpenden to Plattling | 619.35 mi (996.75 km) |
| Harpenden to Plauen | 547.52 mi (881.15 km) |
| Harpenden to Plettenberg | 356.33 mi (573.45 km) |
| Harpenden to Pliezhausen | 478.53 mi (770.12 km) |
| Harpenden to Plochingen | 481.35 mi (774.66 km) |
| Harpenden to Plon | 475.90 mi (765.89 km) |
| Harpenden to Pluderhausen | 485.81 mi (781.84 km) |
| Harpenden to Pocking | 648.87 mi (1,044.25 km) |
