| Ostrow Wielkopolski to Pontedera | 644.50 mi (1,037.23 km) |
| Ostrow Wielkopolski to Pontinia | 742.65 mi (1,195.18 km) |
| Ostrow Wielkopolski to Porcari | 634.07 mi (1,020.44 km) |
| Ostrow Wielkopolski to Porcia | 458.15 mi (737.32 km) |
| Ostrow Wielkopolski to Pordenone | 458.38 mi (737.69 km) |
| Ostrow Wielkopolski to Portici | 766.24 mi (1,233.14 km) |
| Ostrow Wielkopolski to Porto Empedocle | 1,013.67 mi (1,631.35 km) |
| Ostrow Wielkopolski to Porto Recanati | 599.62 mi (964.99 km) |
| Ostrow Wielkopolski to Porto Sant'Elpidio | 609.30 mi (980.57 km) |
| Ostrow Wielkopolski to Porto Tolle | 527.05 mi (848.21 km) |
| Ostrow Wielkopolski to Porto Torres | 870.47 mi (1,400.88 km) |
| Ostrow Wielkopolski to Portoferraio | 703.59 mi (1,132.32 km) |
| Ostrow Wielkopolski to Portogruaro | 464.37 mi (747.33 km) |
| Ostrow Wielkopolski to Portomaggiore | 553.99 mi (891.57 km) |
| Ostrow Wielkopolski to Potenza | 767.16 mi (1,234.62 km) |
