| Ponca City to El Segundo (California) | 1,215.64 mi (1,956.39 km) |
| Ponca City to El Sobrante (California) | 1,164.52 mi (1,874.11 km) |
| Ponca City to Eldersburg (Maryland) | 1,107.39 mi (1,782.17 km) |
| Ponca City to Elfers (Florida) | 1,020.29 mi (1,642.00 km) |
| Ponca City to Elgin (Illinois) | 593.51 mi (955.17 km) |
| Ponca City to Elizabeth (New Jersey) | 1,259.51 mi (2,026.98 km) |
| Ponca City to Elizabeth City (North Carolina) | 1,154.98 mi (1,858.77 km) |
| Ponca City to Elizabethton (Tennessee) | 823.01 mi (1,324.50 km) |
| Ponca City to Elizabethtown (Kentucky) | 619.09 mi (996.32 km) |
| Ponca City to Elizabethtown (Pennsylvania) | 1,130.10 mi (1,818.72 km) |
| Ponca City to Elk City (Oklahoma) | 161.08 mi (259.24 km) |
| Ponca City to Elk Grove (California) | 1,332.92 mi (2,145.13 km) |
| Ponca City to Elk Grove Village (Illinois) | 606.27 mi (975.69 km) |
| Ponca City to Elk Plain (Washington) | 1,474.42 mi (2,372.84 km) |
| Ponca City to Elk River (Minnesota) | 621.94 mi (1,000.92 km) |
