| Cat to Opole | 1,349.32 mi (2,171.53 km) |
| Cat to Orzesze | 1,301.49 mi (2,094.54 km) |
| Cat to Osowa | 1,461.61 mi (2,352.23 km) |
| Cat to Ostroda | 1,383.03 mi (2,225.78 km) |
| Cat to Ostroleka | 1,304.04 mi (2,098.65 km) |
| Cat to Ostrow Mazowiecka | 1,281.79 mi (2,062.84 km) |
| Cat to Ostrow Wielkopolski | 1,384.35 mi (2,227.90 km) |
| Cat to Ostrowiec Swietokrzyski | 1,225.49 mi (1,972.23 km) |
| Cat to Ostrzeszow | 1,372.44 mi (2,208.73 km) |
| Cat to Oswiecim | 1,279.31 mi (2,058.85 km) |
| Cat to Otwock | 1,275.36 mi (2,052.50 km) |
| Cat to Ozarow Mazowiecki | 1,295.57 mi (2,085.02 km) |
| Cat to Ozimek | 1,338.48 mi (2,154.08 km) |
| Cat to Ozorkow | 1,340.51 mi (2,157.34 km) |
| Cat to Pabianice | 1,325.67 mi (2,133.46 km) |
