| Ponca City to Odenton (Maryland) | 1,120.18 mi (1,802.76 km) |
| Ponca City to Odessa (Texas) | 450.07 mi (724.31 km) |
| Ponca City to Ogden (Utah) | 857.34 mi (1,379.76 km) |
| Ponca City to Oildale (California) | 1,227.05 mi (1,974.75 km) |
| Ponca City to Ojus (Florida) | 1,241.26 mi (1,997.62 km) |
| Ponca City to Okemos (Michigan) | 788.14 mi (1,268.39 km) |
| Ponca City to Oklahoma City (Oklahoma) | 90.27 mi (145.28 km) |
| Ponca City to Okmulgee (Oklahoma) | 96.87 mi (155.90 km) |
| Ponca City to Olathe (Kansas) | 193.18 mi (310.90 km) |
| Ponca City to Old Jamestown (Missouri) | 398.08 mi (640.65 km) |
| Ponca City to Oldsmar (Florida) | 1,029.92 mi (1,657.49 km) |
| Ponca City to Olean (New York) | 1,058.88 mi (1,704.11 km) |
| Ponca City to Olive Branch (Mississippi) | 422.24 mi (679.53 km) |
| Ponca City to Olivehurst (California) | 1,340.89 mi (2,157.96 km) |
| Ponca City to Olney (Maryland) | 1,100.16 mi (1,770.54 km) |
