| Ostrow Mazowiecka to Polkowice | 263.02 mi (423.29 km) |
| Ostrow Mazowiecka to Poniatowa | 111.93 mi (180.13 km) |
| Ostrow Mazowiecka to Poznan | 210.10 mi (338.13 km) |
| Ostrow Mazowiecka to Prudnik | 252.47 mi (406.30 km) |
| Ostrow Mazowiecka to Pruszcz Gdanski | 168.10 mi (270.52 km) |
| Ostrow Mazowiecka to Pruszkow | 63.69 mi (102.50 km) |
| Ostrow Mazowiecka to Przasnysz | 44.93 mi (72.31 km) |
| Ostrow Mazowiecka to Przemysl | 211.77 mi (340.81 km) |
| Ostrow Mazowiecka to Przeworsk | 190.61 mi (306.76 km) |
| Ostrow Mazowiecka to Pszczyna | 232.44 mi (374.08 km) |
| Ostrow Mazowiecka to Puck | 194.07 mi (312.33 km) |
| Ostrow Mazowiecka to Pulawy | 95.62 mi (153.88 km) |
| Ostrow Mazowiecka to Pultusk | 34.85 mi (56.08 km) |
| Ostrow Mazowiecka to Puszczykowo | 214.99 mi (346.00 km) |
| Ostrow Mazowiecka to Pyrzyce | 292.78 mi (471.18 km) |
