| Hemel Hempstead to Ponteland | 233.68 mi (376.08 km) |
| Hemel Hempstead to Pontneddfechan | 133.38 mi (214.65 km) |
| Hemel Hempstead to Pontypridd | 123.51 mi (198.78 km) |
| Hemel Hempstead to Poole | 97.02 mi (156.14 km) |
| Hemel Hempstead to Port Glasgow | 336.13 mi (540.95 km) |
| Hemel Hempstead to Port Talbot | 143.09 mi (230.28 km) |
| Hemel Hempstead to Portchester | 68.91 mi (110.90 km) |
| Hemel Hempstead to Porthcawl | 139.44 mi (224.41 km) |
| Hemel Hempstead to Portishead | 100.12 mi (161.12 km) |
| Hemel Hempstead to Portlethen | 372.78 mi (599.93 km) |
| Hemel Hempstead to Portsmouth | 70.66 mi (113.72 km) |
| Hemel Hempstead to Potters Bar | 12.82 mi (20.63 km) |
| Hemel Hempstead to Poulton le Fylde | 179.07 mi (288.18 km) |
| Hemel Hempstead to Poynton | 130.27 mi (209.65 km) |
| Hemel Hempstead to Prescot | 151.75 mi (244.22 km) |
