| Ostrow Mazowiecka to Senftenberg | 345.52 mi (556.06 km) |
| Ostrow Mazowiecka to Siegburg | 641.69 mi (1,032.69 km) |
| Ostrow Mazowiecka to Siegen | 606.24 mi (975.64 km) |
| Ostrow Mazowiecka to Sigmaringen | 644.84 mi (1,037.77 km) |
| Ostrow Mazowiecka to Simbach am Inn | 499.70 mi (804.19 km) |
| Ostrow Mazowiecka to Simmerath | 683.65 mi (1,100.22 km) |
| Ostrow Mazowiecka to Sindelfingen | 629.27 mi (1,012.71 km) |
| Ostrow Mazowiecka to Sinsheim | 615.43 mi (990.44 km) |
| Ostrow Mazowiecka to Sinzheim | 660.25 mi (1,062.58 km) |
| Ostrow Mazowiecka to Sinzig | 645.44 mi (1,038.74 km) |
| Ostrow Mazowiecka to Soest | 589.40 mi (948.55 km) |
| Ostrow Mazowiecka to Solingen | 639.33 mi (1,028.90 km) |
| Ostrow Mazowiecka to Soltau | 502.57 mi (808.82 km) |
| Ostrow Mazowiecka to Sommerda | 472.15 mi (759.84 km) |
| Ostrow Mazowiecka to Sondershausen | 478.30 mi (769.75 km) |
