| Knic to Opole | 484.18 mi (779.22 km) |
| Knic to Orzesze | 440.48 mi (708.89 km) |
| Knic to Osowa | 733.16 mi (1,179.90 km) |
| Knic to Ostroda | 676.81 mi (1,089.22 km) |
| Knic to Ostroleka | 633.39 mi (1,019.34 km) |
| Knic to Ostrow Mazowiecka | 616.15 mi (991.60 km) |
| Knic to Ostrow Wielkopolski | 550.87 mi (886.53 km) |
| Knic to Ostrowiec Swietokrzyski | 485.85 mi (781.89 km) |
| Knic to Ostrzeszow | 534.03 mi (859.44 km) |
| Knic to Oswiecim | 428.76 mi (690.02 km) |
| Knic to Otwock | 567.13 mi (912.71 km) |
| Knic to Ozarow Mazowiecki | 573.49 mi (922.94 km) |
| Knic to Ozimek | 481.26 mi (774.52 km) |
| Knic to Ozorkow | 560.11 mi (901.42 km) |
| Knic to Pabianice | 537.87 mi (865.62 km) |
