| Ostrow Mazowiecka to Srem | 211.49 mi (340.35 km) |
| Ostrow Mazowiecka to Sroda Slaska | 253.30 mi (407.64 km) |
| Ostrow Mazowiecka to Sroda Wielkopolska | 197.98 mi (318.62 km) |
| Ostrow Mazowiecka to Stalowa Wola | 154.44 mi (248.55 km) |
| Ostrow Mazowiecka to Starachowice | 126.02 mi (202.80 km) |
| Ostrow Mazowiecka to Stargard Szczecinski | 286.66 mi (461.33 km) |
| Ostrow Mazowiecka to Starogard Gdanski | 160.44 mi (258.20 km) |
| Ostrow Mazowiecka to Stary Sacz | 230.28 mi (370.60 km) |
| Ostrow Mazowiecka to Staszow | 157.64 mi (253.69 km) |
| Ostrow Mazowiecka to Strzegom | 268.77 mi (432.54 km) |
| Ostrow Mazowiecka to Strzelce Krajenskie | 265.75 mi (427.69 km) |
| Ostrow Mazowiecka to Strzelce Opolskie | 221.97 mi (357.22 km) |
| Ostrow Mazowiecka to Strzelin | 249.08 mi (400.85 km) |
| Ostrow Mazowiecka to Strzyzow | 201.59 mi (324.42 km) |
| Ostrow Mazowiecka to Sucha Beskidzka | 233.80 mi (376.26 km) |
