| Ostrow Mazowiecka to Ilawa | 111.18 mi (178.93 km) |
| Ostrow Mazowiecka to Imielin | 217.42 mi (349.91 km) |
| Ostrow Mazowiecka to Inowroclaw | 152.01 mi (244.63 km) |
| Ostrow Mazowiecka to Janow Lubelski | 145.63 mi (234.36 km) |
| Ostrow Mazowiecka to Jarocin | 194.25 mi (312.62 km) |
| Ostrow Mazowiecka to Jaroslaw | 195.09 mi (313.96 km) |
| Ostrow Mazowiecka to Jasien | 173.46 mi (279.16 km) |
| Ostrow Mazowiecka to Jaslo | 211.70 mi (340.69 km) |
| Ostrow Mazowiecka to Jastrzebie-Zdroj | 243.33 mi (391.61 km) |
| Ostrow Mazowiecka to Jawor | 271.20 mi (436.46 km) |
| Ostrow Mazowiecka to Jaworzno | 212.00 mi (341.18 km) |
| Ostrow Mazowiecka to Jedrzejow | 164.62 mi (264.93 km) |
| Ostrow Mazowiecka to Jelcz-Laskowice | 229.67 mi (369.61 km) |
| Ostrow Mazowiecka to Jelenia Gora | 293.83 mi (472.88 km) |
| Ostrow Mazowiecka to Jozefoslaw | 60.23 mi (96.94 km) |
