| Hemel Hempstead to Penne | 930.11 mi (1,496.88 km) |
| Hemel Hempstead to Pergine Valsugana | 659.58 mi (1,061.49 km) |
| Hemel Hempstead to Perugia | 844.76 mi (1,359.52 km) |
| Hemel Hempstead to Pesaro | 820.89 mi (1,321.09 km) |
| Hemel Hempstead to Pescantina | 673.75 mi (1,084.29 km) |
| Hemel Hempstead to Pescara | 939.45 mi (1,511.89 km) |
| Hemel Hempstead to Peschiera del Garda | 669.73 mi (1,077.83 km) |
| Hemel Hempstead to Pescia | 748.18 mi (1,204.08 km) |
| Hemel Hempstead to Petilia Policastro | 1,203.16 mi (1,936.30 km) |
| Hemel Hempstead to Piacenza | 656.17 mi (1,056.00 km) |
| Hemel Hempstead to Pianella | 937.20 mi (1,508.28 km) |
| Hemel Hempstead to Pianezza | 587.37 mi (945.28 km) |
| Hemel Hempstead to Pianiga | 715.39 mi (1,151.30 km) |
| Hemel Hempstead to Piano di Sorrento | 1,043.31 mi (1,679.04 km) |
| Hemel Hempstead to Pianoro | 744.11 mi (1,197.53 km) |
