| Ostrow Mazowiecka to Pyskowice | 218.46 mi (351.58 km) |
| Ostrow Mazowiecka to Raciborz | 245.23 mi (394.66 km) |
| Ostrow Mazowiecka to Radom | 101.51 mi (163.36 km) |
| Ostrow Mazowiecka to Radomsko | 158.84 mi (255.63 km) |
| Ostrow Mazowiecka to Radzionkow Nowy | 211.27 mi (340.00 km) |
| Ostrow Mazowiecka to Radzymin | 40.07 mi (64.49 km) |
| Ostrow Mazowiecka to Radzyn Podlaski | 76.66 mi (123.36 km) |
| Ostrow Mazowiecka to Rawa Mazowiecka | 99.75 mi (160.53 km) |
| Ostrow Mazowiecka to Rawicz | 228.76 mi (368.15 km) |
| Ostrow Mazowiecka to Reda | 191.88 mi (308.80 km) |
| Ostrow Mazowiecka to Rogozno | 204.81 mi (329.62 km) |
| Ostrow Mazowiecka to Ropczyce | 190.40 mi (306.42 km) |
| Ostrow Mazowiecka to Ruda Slaska | 218.76 mi (352.07 km) |
| Ostrow Mazowiecka to Rumia | 188.14 mi (302.79 km) |
| Ostrow Mazowiecka to Rury | 111.02 mi (178.67 km) |
