| Ponca City to Cullman (Alabama) | 601.54 mi (968.09 km) |
| Ponca City to Culpeper (Virginia) | 1,048.89 mi (1,688.03 km) |
| Ponca City to Culver City (California) | 1,213.76 mi (1,953.36 km) |
| Ponca City to Cumberland (Maryland) | 1,012.79 mi (1,629.93 km) |
| Ponca City to Cupertino (California) | 1,374.57 mi (2,212.16 km) |
| Ponca City to Cutler Bay (Florida) | 1,250.48 mi (2,012.46 km) |
| Ponca City to Cutlerville (Michigan) | 736.94 mi (1,185.99 km) |
| Ponca City to Cuyahoga Falls (Ohio) | 888.49 mi (1,429.88 km) |
| Ponca City to Cypress (California) | 1,197.40 mi (1,927.02 km) |
| Ponca City to Cypress Gardens (Florida) | 1,078.91 mi (1,736.33 km) |
| Ponca City to Cypress Lake (Florida) | 1,133.83 mi (1,824.73 km) |
| Ponca City to D'Iberville (Mississippi) | 637.89 mi (1,026.59 km) |
| Ponca City to Dakota Ridge (Colorado) | 481.44 mi (774.81 km) |
| Ponca City to Dale City (Virginia) | 1,084.40 mi (1,745.17 km) |
| Ponca City to Dallas (Georgia) | 715.46 mi (1,151.43 km) |
