| Plainview to Opole | 4,175.47 mi (6,719.77 km) |
| Plainview to Orzesze | 4,224.44 mi (6,798.57 km) |
| Plainview to Osowa | 4,070.42 mi (6,550.71 km) |
| Plainview to Ostroda | 4,147.72 mi (6,675.12 km) |
| Plainview to Ostroleka | 4,226.70 mi (6,802.21 km) |
| Plainview to Ostrow Mazowiecka | 4,248.05 mi (6,836.57 km) |
| Plainview to Ostrow Wielkopolski | 4,137.90 mi (6,659.30 km) |
| Plainview to Ostrowiec Swietokrzyski | 4,296.59 mi (6,914.69 km) |
| Plainview to Ostrzeszow | 4,150.10 mi (6,678.93 km) |
| Plainview to Oswiecim | 4,246.37 mi (6,833.87 km) |
| Plainview to Otwock | 4,249.39 mi (6,838.73 km) |
| Plainview to Ozarow Mazowiecki | 4,228.85 mi (6,805.68 km) |
| Plainview to Ozimek | 4,185.91 mi (6,736.57 km) |
| Plainview to Ozorkow | 4,181.81 mi (6,729.97 km) |
| Plainview to Pabianice | 4,196.39 mi (6,753.43 km) |
