| Ponca City to Conyers (Georgia) | 766.98 mi (1,234.34 km) |
| Ponca City to Cookeville (Tennessee) | 643.25 mi (1,035.20 km) |
| Ponca City to Coolidge (Arizona) | 859.69 mi (1,383.53 km) |
| Ponca City to Coon Rapids (Minnesota) | 615.84 mi (991.10 km) |
| Ponca City to Cooper City (Florida) | 1,231.30 mi (1,981.58 km) |
| Ponca City to Coos Bay (Oregon) | 1,500.75 mi (2,415.23 km) |
| Ponca City to Copiague (New York) | 1,301.27 mi (2,094.19 km) |
| Ponca City to Coppell (Texas) | 259.80 mi (418.11 km) |
| Ponca City to Copperas Cove (Texas) | 390.24 mi (628.03 km) |
| Ponca City to Coral Gables (Florida) | 1,247.60 mi (2,007.81 km) |
| Ponca City to Coral Springs (Florida) | 1,222.51 mi (1,967.44 km) |
| Ponca City to Coral Terrace (Florida) | 1,244.08 mi (2,002.16 km) |
| Ponca City to Coralville (Iowa) | 451.42 mi (726.48 km) |
| Ponca City to Coram (New York) | 1,322.57 mi (2,128.48 km) |
| Ponca City to Corcoran (California) | 1,248.78 mi (2,009.72 km) |
