| Sredets to Orzesze | 672.47 mi (1,082.23 km) |
| Sredets to Osowa | 923.96 mi (1,486.97 km) |
| Sredets to Ostroda | 851.41 mi (1,370.21 km) |
| Sredets to Ostroleka | 784.80 mi (1,263.01 km) |
| Sredets to Ostrow Mazowiecka | 762.59 mi (1,227.28 km) |
| Sredets to Ostrow Wielkopolski | 778.59 mi (1,253.03 km) |
| Sredets to Ostrowiec Swietokrzyski | 653.26 mi (1,051.32 km) |
| Sredets to Ostrzeszow | 762.86 mi (1,227.70 km) |
| Sredets to Oswiecim | 653.25 mi (1,051.30 km) |
| Sredets to Otwock | 729.37 mi (1,173.80 km) |
| Sredets to Ozarow Mazowiecki | 744.09 mi (1,197.50 km) |
| Sredets to Ozimek | 715.35 mi (1,151.25 km) |
| Sredets to Ozorkow | 760.43 mi (1,223.79 km) |
| Sredets to Pabianice | 739.68 mi (1,190.40 km) |
| Sredets to Parczew | 672.83 mi (1,082.82 km) |
