| Ponca City to Crawfordsville (Indiana) | 596.19 mi (959.48 km) |
| Ponca City to Crest Hill (Illinois) | 584.72 mi (941.02 km) |
| Ponca City to Crestview (Florida) | 729.82 mi (1,174.53 km) |
| Ponca City to Crestwood (Illinois) | 603.76 mi (971.67 km) |
| Ponca City to Crestwood (Missouri) | 387.18 mi (623.11 km) |
| Ponca City to Creve Coeur (Missouri) | 386.05 mi (621.29 km) |
| Ponca City to Crofton (Maryland) | 1,120.81 mi (1,803.77 km) |
| Ponca City to Crossville (Tennessee) | 671.68 mi (1,080.96 km) |
| Ponca City to Crowley (Louisiana) | 524.42 mi (843.98 km) |
| Ponca City to Crowley (Texas) | 286.90 mi (461.71 km) |
| Ponca City to Crown Point (Indiana) | 613.44 mi (987.24 km) |
| Ponca City to Crystal (Minnesota) | 606.05 mi (975.34 km) |
| Ponca City to Crystal Lake (Illinois) | 600.95 mi (967.13 km) |
| Ponca City to Cudahy (California) | 1,202.70 mi (1,935.56 km) |
| Ponca City to Cudahy (Wisconsin) | 649.92 mi (1,045.94 km) |
