| Hemel Hempstead to Piazza Armerina | 1,227.42 mi (1,975.34 km) |
| Hemel Hempstead to Piazzola sul Brenta | 703.23 mi (1,131.74 km) |
| Hemel Hempstead to Pietrasanta | 731.03 mi (1,176.48 km) |
| Hemel Hempstead to Pieve di Soligo | 701.96 mi (1,129.69 km) |
| Hemel Hempstead to Pinerolo | 593.82 mi (955.66 km) |
| Hemel Hempstead to Pioltello | 621.12 mi (999.60 km) |
| Hemel Hempstead to Piombino | 795.72 mi (1,280.59 km) |
| Hemel Hempstead to Piombino Dese | 708.21 mi (1,139.75 km) |
| Hemel Hempstead to Piossasco | 591.61 mi (952.10 km) |
| Hemel Hempstead to Piove di Sacco | 723.88 mi (1,164.97 km) |
| Hemel Hempstead to Pisa | 749.02 mi (1,205.43 km) |
| Hemel Hempstead to Pisticci | 1,127.34 mi (1,814.27 km) |
| Hemel Hempstead to Pistoia | 753.75 mi (1,213.05 km) |
| Hemel Hempstead to Pizzo | 1,204.33 mi (1,938.18 km) |
| Hemel Hempstead to Podenzano | 660.82 mi (1,063.49 km) |
