| Shoreline to Opole | 5,239.11 mi (8,431.53 km) |
| Shoreline to Orzesze | 5,286.96 mi (8,508.54 km) |
| Shoreline to Osowa | 5,016.32 mi (8,072.99 km) |
| Shoreline to Ostroda | 5,088.01 mi (8,188.37 km) |
| Shoreline to Ostroleka | 5,155.40 mi (8,296.81 km) |
| Shoreline to Ostrow Mazowiecka | 5,177.89 mi (8,333.00 km) |
| Shoreline to Ostrow Wielkopolski | 5,176.03 mi (8,330.02 km) |
| Shoreline to Ostrowiec Swietokrzyski | 5,286.95 mi (8,508.52 km) |
| Shoreline to Ostrzeszow | 5,192.67 mi (8,356.79 km) |
| Shoreline to Oswiecim | 5,302.96 mi (8,534.29 km) |
| Shoreline to Otwock | 5,210.04 mi (8,384.75 km) |
| Shoreline to Ozarow Mazowiecki | 5,195.55 mi (8,361.43 km) |
| Shoreline to Ozimek | 5,244.12 mi (8,439.60 km) |
| Shoreline to Ozorkow | 5,183.85 mi (8,342.61 km) |
| Shoreline to Pabianice | 5,205.44 mi (8,377.34 km) |
