| Ardea to Orzesze | 660.16 mi (1,062.43 km) |
| Ardea to Osowa | 925.63 mi (1,489.66 km) |
| Ardea to Ostroda | 902.23 mi (1,452.00 km) |
| Ardea to Ostroleka | 895.09 mi (1,440.51 km) |
| Ardea to Ostrow Mazowiecka | 886.94 mi (1,427.39 km) |
| Ardea to Ostrow Wielkopolski | 736.36 mi (1,185.06 km) |
| Ardea to Ostrowiec Swietokrzyski | 768.85 mi (1,237.34 km) |
| Ardea to Ostrzeszow | 723.38 mi (1,164.17 km) |
| Ardea to Oswiecim | 664.00 mi (1,068.60 km) |
| Ardea to Otwock | 832.83 mi (1,340.30 km) |
| Ardea to Ozarow Mazowiecki | 828.21 mi (1,332.88 km) |
| Ardea to Ozimek | 681.44 mi (1,096.67 km) |
| Ardea to Ozorkow | 782.03 mi (1,258.55 km) |
| Ardea to Pabianice | 764.49 mi (1,230.32 km) |
| Ardea to Parczew | 845.94 mi (1,361.41 km) |
