| Ponca City to Cadillac (Michigan) | 801.87 mi (1,290.48 km) |
| Ponca City to Caguas (Puerto Rico) | 2,274.52 mi (3,660.48 km) |
| Ponca City to Cahokia (Illinois) | 397.64 mi (639.93 km) |
| Ponca City to Calabasas (California) | 1,226.50 mi (1,973.86 km) |
| Ponca City to Caldwell (Idaho) | 1,135.67 mi (1,827.69 km) |
| Ponca City to Caledonia (Wisconsin) | 643.13 mi (1,035.03 km) |
| Ponca City to Calera (Alabama) | 634.98 mi (1,021.90 km) |
| Ponca City to Calexico (California) | 1,081.29 mi (1,740.17 km) |
| Ponca City to Calhoun (Georgia) | 698.06 mi (1,123.42 km) |
| Ponca City to California (Maryland) | 1,130.43 mi (1,819.25 km) |
| Ponca City to California City (California) | 1,166.50 mi (1,877.31 km) |
| Ponca City to Callaway (Florida) | 803.88 mi (1,293.73 km) |
| Ponca City to Calumet City (Illinois) | 611.02 mi (983.34 km) |
| Ponca City to Calverton (Maryland) | 1,106.49 mi (1,780.73 km) |
| Ponca City to Camano (Washington) | 1,507.31 mi (2,425.79 km) |
