| Hard to Orzesze | 450.92 mi (725.69 km) |
| Hard to Osowa | 612.10 mi (985.08 km) |
| Hard to Ostroda | 621.22 mi (999.75 km) |
| Hard to Ostroleka | 649.44 mi (1,045.18 km) |
| Hard to Ostrow Mazowiecka | 652.06 mi (1,049.38 km) |
| Hard to Ostrow Wielkopolski | 463.45 mi (745.86 km) |
| Hard to Ostrowiec Swietokrzyski | 578.80 mi (931.49 km) |
| Hard to Ostrzeszow | 458.60 mi (738.05 km) |
| Hard to Oswiecim | 468.04 mi (753.23 km) |
| Hard to Otwock | 606.19 mi (975.56 km) |
| Hard to Ozarow Mazowiecki | 592.01 mi (952.74 km) |
| Hard to Ozimek | 443.65 mi (713.98 km) |
| Hard to Ozorkow | 527.78 mi (849.39 km) |
| Hard to Pabianice | 520.21 mi (837.19 km) |
| Hard to Parczew | 655.01 mi (1,054.14 km) |
