| Hertford to Piazza Armerina | 1,218.64 mi (1,961.20 km) |
| Hertford to Piazzola sul Brenta | 690.94 mi (1,111.96 km) |
| Hertford to Pietrasanta | 721.10 mi (1,160.50 km) |
| Hertford to Pieve di Soligo | 689.15 mi (1,109.08 km) |
| Hertford to Pinerolo | 585.59 mi (942.42 km) |
| Hertford to Pioltello | 610.47 mi (982.46 km) |
| Hertford to Piombino | 786.35 mi (1,265.50 km) |
| Hertford to Piombino Dese | 695.73 mi (1,119.66 km) |
| Hertford to Piossasco | 583.15 mi (938.48 km) |
| Hertford to Piove di Sacco | 711.63 mi (1,145.26 km) |
| Hertford to Pisa | 739.14 mi (1,189.54 km) |
| Hertford to Pisticci | 1,116.00 mi (1,796.03 km) |
| Hertford to Pistoia | 743.33 mi (1,196.27 km) |
| Hertford to Pizzo | 1,193.97 mi (1,921.51 km) |
| Hertford to Podenzano | 650.43 mi (1,046.76 km) |
