| Plymouth to Opole | 966.42 mi (1,555.30 km) |
| Plymouth to Orzesze | 1,007.29 mi (1,621.07 km) |
| Plymouth to Osowa | 988.74 mi (1,591.23 km) |
| Plymouth to Ostroda | 1,044.78 mi (1,681.41 km) |
| Plymouth to Ostroleka | 1,109.88 mi (1,786.18 km) |
| Plymouth to Ostrow Mazowiecka | 1,124.17 mi (1,809.18 km) |
| Plymouth to Ostrow Wielkopolski | 955.02 mi (1,536.96 km) |
| Plymouth to Ostrowiec Swietokrzyski | 1,114.00 mi (1,792.81 km) |
| Plymouth to Ostrzeszow | 961.12 mi (1,546.77 km) |
| Plymouth to Oswiecim | 1,029.21 mi (1,656.35 km) |
| Plymouth to Otwock | 1,099.88 mi (1,770.09 km) |
| Plymouth to Ozarow Mazowiecki | 1,079.72 mi (1,737.64 km) |
| Plymouth to Ozimek | 978.51 mi (1,574.76 km) |
| Plymouth to Ozorkow | 1,016.37 mi (1,635.68 km) |
| Plymouth to Pabianice | 1,022.04 mi (1,644.81 km) |
