| Ponca City to Kennewick (Washington) | 1,312.05 mi (2,111.54 km) |
| Ponca City to Kenosha (Wisconsin) | 634.24 mi (1,020.71 km) |
| Ponca City to Kent (Ohio) | 896.24 mi (1,442.36 km) |
| Ponca City to Kent (Washington) | 1,475.94 mi (2,375.29 km) |
| Ponca City to Kentwood (Michigan) | 742.05 mi (1,194.21 km) |
| Ponca City to Kerman (California) | 1,270.36 mi (2,044.45 km) |
| Ponca City to Kernersville (North Carolina) | 944.04 mi (1,519.29 km) |
| Ponca City to Kerrville (Texas) | 476.87 mi (767.45 km) |
| Ponca City to Kettering (Maryland) | 1,114.73 mi (1,793.98 km) |
| Ponca City to Kettering (Ohio) | 730.02 mi (1,174.86 km) |
| Ponca City to Kewanee (Illinois) | 494.16 mi (795.27 km) |
| Ponca City to Key Biscayne (Florida) | 1,253.13 mi (2,016.72 km) |
| Ponca City to Key Largo (Florida) | 1,268.20 mi (2,040.98 km) |
| Ponca City to Key West (Florida) | 1,234.62 mi (1,986.92 km) |
| Ponca City to Keystone (Florida) | 1,029.72 mi (1,657.18 km) |
