| Ponca City to Carrollwood (Florida) | 1,036.95 mi (1,668.80 km) |
| Ponca City to Carson (California) | 1,209.03 mi (1,945.75 km) |
| Ponca City to Carson City (Nevada) | 1,243.91 mi (2,001.88 km) |
| Ponca City to Carteret (New Jersey) | 1,257.08 mi (2,023.08 km) |
| Ponca City to Cartersville (Georgia) | 712.20 mi (1,146.17 km) |
| Ponca City to Carthage (Missouri) | 154.44 mi (248.55 km) |
| Ponca City to Cary (Illinois) | 603.65 mi (971.49 km) |
| Ponca City to Cary (North Carolina) | 1,017.29 mi (1,637.18 km) |
| Ponca City to Casa de Oro-Mount Helix (California) | 1,160.18 mi (1,867.13 km) |
| Ponca City to Casa Grande (Arizona) | 873.21 mi (1,405.29 km) |
| Ponca City to Casas Adobes (Arizona) | 848.40 mi (1,365.37 km) |
| Ponca City to Cascades (Virginia) | 1,082.95 mi (1,742.83 km) |
| Ponca City to Casper (Wyoming) | 647.44 mi (1,041.95 km) |
| Ponca City to Casselberry (Florida) | 1,069.52 mi (1,721.22 km) |
| Ponca City to Castaic (California) | 1,218.66 mi (1,961.24 km) |
