| Ponca City to Ondokuzmayis | 6,275.39 mi (10,099.26 km) |
| Ponca City to Ordu | 6,358.27 mi (10,232.65 km) |
| Ponca City to Ortahisar | 6,397.63 mi (10,295.99 km) |
| Ponca City to Ortakent | 6,218.69 mi (10,008.02 km) |
| Ponca City to Ortaklar | 6,185.77 mi (9,955.03 km) |
| Ponca City to Ortakoy | 6,364.44 mi (10,242.57 km) |
| Ponca City to Ortakoy | 6,318.07 mi (10,167.96 km) |
| Ponca City to Osmaneli | 6,143.92 mi (9,887.69 km) |
| Ponca City to Osmaniye | 6,528.45 mi (10,506.53 km) |
| Ponca City to Ozdere | 6,165.42 mi (9,922.28 km) |
| Ponca City to Palu | 6,550.16 mi (10,541.47 km) |
| Ponca City to Pamukkale | 6,241.63 mi (10,044.93 km) |
| Ponca City to Patnos | 6,602.69 mi (10,626.00 km) |
| Ponca City to Pazar | 6,351.66 mi (10,222.01 km) |
| Ponca City to Pazarcik | 6,538.70 mi (10,523.02 km) |
