| Ostrow Mazowiecka to Paimio | 529.43 mi (852.03 km) |
| Ostrow Mazowiecka to Pargas | 518.42 mi (834.32 km) |
| Ostrow Mazowiecka to Pedersore | 751.19 mi (1,208.93 km) |
| Ostrow Mazowiecka to Pieksamaki | 683.91 mi (1,100.65 km) |
| Ostrow Mazowiecka to Pirkkala | 602.34 mi (969.37 km) |
| Ostrow Mazowiecka to Pori | 599.97 mi (965.56 km) |
| Ostrow Mazowiecka to Porvoo | 543.68 mi (874.97 km) |
| Ostrow Mazowiecka to Poytya | 547.62 mi (881.32 km) |
| Ostrow Mazowiecka to Raahe | 826.03 mi (1,329.36 km) |
| Ostrow Mazowiecka to Raisio | 531.13 mi (854.78 km) |
| Ostrow Mazowiecka to Raseborg | 499.17 mi (803.33 km) |
| Ostrow Mazowiecka to Rauma | 575.97 mi (926.93 km) |
| Ostrow Mazowiecka to Riihimaki | 558.65 mi (899.06 km) |
| Ostrow Mazowiecka to Rovaniemi | 955.55 mi (1,537.81 km) |
| Ostrow Mazowiecka to Saaminki | 677.50 mi (1,090.33 km) |
