| Os to Pontedera | 1,164.51 mi (1,874.10 km) |
| Os to Pontinia | 1,339.49 mi (2,155.70 km) |
| Os to Porcari | 1,152.16 mi (1,854.23 km) |
| Os to Porcia | 1,027.43 mi (1,653.49 km) |
| Os to Pordenone | 1,028.93 mi (1,655.91 km) |
| Os to Portici | 1,393.41 mi (2,242.47 km) |
| Os to Porto Empedocle | 1,623.59 mi (2,612.91 km) |
| Os to Porto Recanati | 1,209.76 mi (1,946.92 km) |
| Os to Porto Sant'Elpidio | 1,221.88 mi (1,966.43 km) |
| Os to Porto Tolle | 1,092.49 mi (1,758.19 km) |
| Os to Porto Torres | 1,345.55 mi (2,165.45 km) |
| Os to Portoferraio | 1,220.00 mi (1,963.40 km) |
| Os to Portogruaro | 1,042.25 mi (1,677.34 km) |
| Os to Portomaggiore | 1,104.12 mi (1,776.92 km) |
| Os to Potenza | 1,424.06 mi (2,291.81 km) |
