| Ponca City to Clarksdale (Mississippi) | 405.23 mi (652.16 km) |
| Ponca City to Clarkston (Georgia) | 750.39 mi (1,207.64 km) |
| Ponca City to Clarksville (Indiana) | 628.60 mi (1,011.63 km) |
| Ponca City to Clarksville (Tennessee) | 539.07 mi (867.54 km) |
| Ponca City to Clawson (Michigan) | 840.99 mi (1,353.45 km) |
| Ponca City to Clay (Alabama) | 625.98 mi (1,007.42 km) |
| Ponca City to Clayton (California) | 1,364.44 mi (2,195.86 km) |
| Ponca City to Clayton (Missouri) | 391.46 mi (629.99 km) |
| Ponca City to Clayton (North Carolina) | 1,039.13 mi (1,672.32 km) |
| Ponca City to Clayton (Ohio) | 723.37 mi (1,164.16 km) |
| Ponca City to Clearfield (Utah) | 857.72 mi (1,380.37 km) |
| Ponca City to Clearlake (California) | 1,398.84 mi (2,251.22 km) |
| Ponca City to Clearwater (Florida) | 1,028.70 mi (1,655.53 km) |
| Ponca City to Cleburne (Texas) | 302.36 mi (486.60 km) |
| Ponca City to Clemmons (North Carolina) | 928.03 mi (1,493.53 km) |
