| Ostrow Mazowiecka to Prelouc | 332.95 mi (535.82 km) |
| Ostrow Mazowiecka to Prerov | 300.90 mi (484.25 km) |
| Ostrow Mazowiecka to Pribram | 403.03 mi (648.62 km) |
| Ostrow Mazowiecka to Prostejov | 309.67 mi (498.37 km) |
| Ostrow Mazowiecka to Rakovnik | 397.60 mi (639.87 km) |
| Ostrow Mazowiecka to Ricany | 367.46 mi (591.37 km) |
| Ostrow Mazowiecka to Rokycany | 416.18 mi (669.77 km) |
| Ostrow Mazowiecka to Roudnice nad Labem | 366.24 mi (589.41 km) |
| Ostrow Mazowiecka to Roznov pod Radhostem | 282.48 mi (454.60 km) |
| Ostrow Mazowiecka to Roztoky | 370.59 mi (596.40 km) |
| Ostrow Mazowiecka to Rumburk | 338.06 mi (544.05 km) |
| Ostrow Mazowiecka to Rychnov nad Kneznou | 302.81 mi (487.32 km) |
| Ostrow Mazowiecka to Slany | 379.68 mi (611.04 km) |
| Ostrow Mazowiecka to Sokolov | 437.10 mi (703.44 km) |
| Ostrow Mazowiecka to Sternberk | 290.66 mi (467.77 km) |
