| Sierpc to Poggibonsi | 758.61 mi (1,220.87 km) |
| Sierpc to Poggio a Caiano | 739.35 mi (1,189.88 km) |
| Sierpc to Poggio Renatico | 672.26 mi (1,081.89 km) |
| Sierpc to Poggiomarino | 868.63 mi (1,397.92 km) |
| Sierpc to Poirino | 766.80 mi (1,234.05 km) |
| Sierpc to Policoro | 887.65 mi (1,428.53 km) |
| Sierpc to Polistena | 1,015.37 mi (1,634.07 km) |
| Sierpc to Pomezia | 843.46 mi (1,357.42 km) |
| Sierpc to Pomigliano d'Arco | 862.80 mi (1,388.54 km) |
| Sierpc to Pompei | 872.62 mi (1,404.35 km) |
| Sierpc to Ponsacco | 762.02 mi (1,226.34 km) |
| Sierpc to Pontassieve | 733.05 mi (1,179.74 km) |
| Sierpc to Ponte Buggianese | 745.75 mi (1,200.16 km) |
| Sierpc to Ponte San Pietro | 671.64 mi (1,080.89 km) |
| Sierpc to Pontecorvo | 837.16 mi (1,347.28 km) |
