| Ponca City to Clemson (South Carolina) | 811.34 mi (1,305.73 km) |
| Ponca City to Clermont (Florida) | 1,055.16 mi (1,698.12 km) |
| Ponca City to Cleveland (Mississippi) | 412.62 mi (664.05 km) |
| Ponca City to Cleveland (Ohio) | 886.43 mi (1,426.58 km) |
| Ponca City to Cleveland (Tennessee) | 689.97 mi (1,110.40 km) |
| Ponca City to Cleveland Heights (Ohio) | 892.92 mi (1,437.02 km) |
| Ponca City to Cliffside Park (New Jersey) | 1,271.09 mi (2,045.63 km) |
| Ponca City to Clifton (Colorado) | 641.57 mi (1,032.51 km) |
| Ponca City to Clifton (New Jersey) | 1,262.54 mi (2,031.86 km) |
| Ponca City to Clinton (Iowa) | 508.03 mi (817.60 km) |
| Ponca City to Clinton (Maryland) | 1,108.22 mi (1,783.50 km) |
| Ponca City to Clinton (Mississippi) | 487.36 mi (784.34 km) |
| Ponca City to Clinton (Utah) | 860.51 mi (1,384.85 km) |
| Ponca City to Clive (Iowa) | 380.56 mi (612.46 km) |
| Ponca City to Cloquet (Minnesota) | 729.68 mi (1,174.31 km) |
