| Ponca City to Carlsbad (California) | 1,169.54 mi (1,882.19 km) |
| Ponca City to Carlsbad (New Mexico) | 505.39 mi (813.35 km) |
| Ponca City to Carmel (Indiana) | 632.27 mi (1,017.54 km) |
| Ponca City to Carmichael (California) | 1,329.22 mi (2,139.17 km) |
| Ponca City to Carney (Maryland) | 1,130.28 mi (1,819.01 km) |
| Ponca City to Carnot-Moon (Pennsylvania) | 944.93 mi (1,520.72 km) |
| Ponca City to Carol Stream (Illinois) | 596.95 mi (960.70 km) |
| Ponca City to Carolina (Puerto Rico) | 2,269.73 mi (3,652.77 km) |
| Ponca City to Carolina Forest (South Carolina) | 1,042.95 mi (1,678.46 km) |
| Ponca City to Carpentersville (Illinois) | 598.34 mi (962.93 km) |
| Ponca City to Carpinteria (California) | 1,268.79 mi (2,041.93 km) |
| Ponca City to Carrboro (North Carolina) | 1,000.93 mi (1,610.84 km) |
| Ponca City to Carroll (Iowa) | 387.64 mi (623.84 km) |
| Ponca City to Carrollton (Georgia) | 710.35 mi (1,143.20 km) |
| Ponca City to Carrollton (Texas) | 258.20 mi (415.54 km) |
