| Ponca City to Orangeburg (South Carolina) | 941.24 mi (1,514.78 km) |
| Ponca City to Orangevale (California) | 1,323.41 mi (2,129.83 km) |
| Ponca City to Orchards (Washington) | 1,453.01 mi (2,338.39 km) |
| Ponca City to Orcutt (California) | 1,311.82 mi (2,111.17 km) |
| Ponca City to Oregon (Ohio) | 804.49 mi (1,294.71 km) |
| Ponca City to Oregon (Wisconsin) | 590.79 mi (950.78 km) |
| Ponca City to Oregon City (Oregon) | 1,449.39 mi (2,332.56 km) |
| Ponca City to Orem (Utah) | 827.57 mi (1,331.84 km) |
| Ponca City to Orinda (California) | 1,378.28 mi (2,218.13 km) |
| Ponca City to Orland Park (Illinois) | 597.01 mi (960.80 km) |
| Ponca City to Orlando (Florida) | 1,076.23 mi (1,732.02 km) |
| Ponca City to Ormond Beach (Florida) | 1,055.74 mi (1,699.05 km) |
| Ponca City to Oro Valley (Arizona) | 844.31 mi (1,358.78 km) |
| Ponca City to Oroville (California) | 1,341.18 mi (2,158.42 km) |
| Ponca City to Oshkosh (Wisconsin) | 673.64 mi (1,084.12 km) |
