| Cities | Distance |
|---|---|
| Sierpc to Pontedera | 759.28 mi (1,221.94 km) |
| Sierpc to Pontinia | 850.85 mi (1,369.30 km) |
| Sierpc to Porcari | 748.99 mi (1,205.38 km) |
| Sierpc to Porcia | 572.77 mi (921.79 km) |
| Sierpc to Pordenone | 572.95 mi (922.07 km) |
| Sierpc to Portici | 870.06 mi (1,400.23 km) |
| Sierpc to Porto Empedocle | 1,116.93 mi (1,797.53 km) |
| Sierpc to Porto Recanati | 708.58 mi (1,140.35 km) |
| Sierpc to Porto Sant'Elpidio | 717.79 mi (1,155.18 km) |
| Sierpc to Porto Tolle | 640.98 mi (1,031.56 km) |
| Sierpc to Porto Torres | 985.35 mi (1,585.78 km) |
| Sierpc to Portoferraio | 818.06 mi (1,316.55 km) |
| Sierpc to Portogruaro | 578.48 mi (930.97 km) |
| Sierpc to Portomaggiore | 668.38 mi (1,075.65 km) |
| Sierpc to Potenza | 865.63 mi (1,393.09 km) |