| Ponca City to Castle Pines (Colorado) | 464.37 mi (747.33 km) |
| Ponca City to Castle Rock (Colorado) | 461.36 mi (742.49 km) |
| Ponca City to Castro Valley (California) | 1,372.91 mi (2,209.48 km) |
| Ponca City to Catalina Foothills (Arizona) | 842.74 mi (1,356.26 km) |
| Ponca City to Cataño (Puerto Rico) | 2,260.05 mi (3,637.20 km) |
| Ponca City to Cathedral City (California) | 1,110.06 mi (1,786.47 km) |
| Ponca City to Catonsville (Maryland) | 1,118.12 mi (1,799.45 km) |
| Ponca City to Cave Spring (Virginia) | 941.09 mi (1,514.53 km) |
| Ponca City to Cayce (South Carolina) | 922.22 mi (1,484.17 km) |
| Ponca City to Cayey (Puerto Rico) | 2,273.59 mi (3,658.99 km) |
| Ponca City to Cedar City (Utah) | 883.46 mi (1,421.79 km) |
| Ponca City to Cedar Falls (Iowa) | 469.58 mi (755.71 km) |
| Ponca City to Cedar Hill (Texas) | 286.29 mi (460.73 km) |
| Ponca City to Cedar Lake (Indiana) | 607.72 mi (978.04 km) |
| Ponca City to Cedar Mill (Oregon) | 1,462.67 mi (2,353.93 km) |
