| Ponca City to Cibolo (Texas) | 499.11 mi (803.24 km) |
| Ponca City to Cicero (Illinois) | 610.16 mi (981.95 km) |
| Ponca City to Cimarron Hills (Colorado) | 441.90 mi (711.16 km) |
| Ponca City to Cincinnati (Ohio) | 704.01 mi (1,133.00 km) |
| Ponca City to Cinco Ranch (Texas) | 488.41 mi (786.02 km) |
| Ponca City to Circleville (Ohio) | 792.29 mi (1,275.07 km) |
| Ponca City to Citrus (California) | 1,183.72 mi (1,905.02 km) |
| Ponca City to Citrus Heights (California) | 1,327.02 mi (2,135.63 km) |
| Ponca City to Citrus Park (Florida) | 1,034.01 mi (1,664.07 km) |
| Ponca City to Claiborne (Louisiana) | 400.23 mi (644.10 km) |
| Ponca City to Claremont (California) | 1,173.93 mi (1,889.26 km) |
| Ponca City to Claremont (New Hampshire) | 1,380.29 mi (2,221.36 km) |
| Ponca City to Claremore (Oklahoma) | 85.76 mi (138.01 km) |
| Ponca City to Clarksburg (Maryland) | 1,090.01 mi (1,754.21 km) |
| Ponca City to Clarksburg (West Virginia) | 927.23 mi (1,492.23 km) |
