| Hertford to Penne | 918.92 mi (1,478.86 km) |
| Hertford to Pergine Valsugana | 647.11 mi (1,041.42 km) |
| Hertford to Perugia | 834.00 mi (1,342.19 km) |
| Hertford to Pesaro | 809.25 mi (1,302.36 km) |
| Hertford to Pescantina | 662.03 mi (1,065.43 km) |
| Hertford to Pescara | 928.08 mi (1,493.61 km) |
| Hertford to Peschiera del Garda | 658.17 mi (1,059.23 km) |
| Hertford to Pescia | 737.94 mi (1,187.60 km) |
| Hertford to Petilia Policastro | 1,192.33 mi (1,918.87 km) |
| Hertford to Piacenza | 645.67 mi (1,039.10 km) |
| Hertford to Pianella | 925.97 mi (1,490.20 km) |
| Hertford to Pianezza | 578.71 mi (931.35 km) |
| Hertford to Pianiga | 703.02 mi (1,131.41 km) |
| Hertford to Piano di Sorrento | 1,032.91 mi (1,662.31 km) |
| Hertford to Pianoro | 733.04 mi (1,179.72 km) |
