| Ostrov to Rybnik | 248.60 mi (400.08 km) |
| Ostrov to Ryki | 401.65 mi (646.40 km) |
| Ostrov to Rypin | 337.68 mi (543.44 km) |
| Ostrov to Rzeszow | 401.18 mi (645.64 km) |
| Ostrov to Sandomierz | 387.91 mi (624.29 km) |
| Ostrov to Sanok | 415.67 mi (668.95 km) |
| Ostrov to Sedziszow Malopolski | 387.71 mi (623.95 km) |
| Ostrov to Sepolno Krajenskie | 292.34 mi (470.48 km) |
| Ostrov to Sidlice | 367.79 mi (591.91 km) |
| Ostrov to Siechnice | 191.25 mi (307.79 km) |
| Ostrov to Siedlce | 423.30 mi (681.24 km) |
| Ostrov to Siemianowice Slaskie | 266.85 mi (429.45 km) |
| Ostrov to Siemiatycze | 452.02 mi (727.45 km) |
| Ostrov to Sieradz | 268.17 mi (431.57 km) |
| Ostrov to Sierpc | 339.05 mi (545.64 km) |
