| Ponca City to Opole | 5,227.14 mi (8,412.27 km) |
| Ponca City to Orzesze | 5,277.74 mi (8,493.70 km) |
| Ponca City to Osowa | 5,072.88 mi (8,164.02 km) |
| Ponca City to Ostroda | 5,151.60 mi (8,290.70 km) |
| Ponca City to Ostroleka | 5,229.70 mi (8,416.39 km) |
| Ponca City to Ostrow Mazowiecka | 5,252.46 mi (8,453.02 km) |
| Ponca City to Ostrow Wielkopolski | 5,178.53 mi (8,334.04 km) |
| Ponca City to Ostrowiec Swietokrzyski | 5,326.18 mi (8,571.66 km) |
| Ponca City to Ostrzeszow | 5,192.90 mi (8,357.17 km) |
| Ponca City to Oswiecim | 5,298.41 mi (8,526.97 km) |
| Ponca City to Otwock | 5,265.68 mi (8,474.29 km) |
| Ponca City to Ozarow Mazowiecki | 5,246.54 mi (8,443.49 km) |
| Ponca City to Ozimek | 5,236.02 mi (8,426.56 km) |
| Ponca City to Ozorkow | 5,210.82 mi (8,386.00 km) |
| Ponca City to Pabianice | 5,228.67 mi (8,414.73 km) |
