| Ponca City to Cehegin | 4,966.58 mi (7,992.94 km) |
| Ponca City to Cervello | 5,007.76 mi (8,059.21 km) |
| Ponca City to Cervera | 4,967.82 mi (7,994.94 km) |
| Ponca City to Ceuti | 4,991.11 mi (8,032.42 km) |
| Ponca City to Cheste | 4,964.80 mi (7,990.07 km) |
| Ponca City to Chiclana de la Frontera | 4,825.46 mi (7,765.83 km) |
| Ponca City to Chipiona | 4,800.67 mi (7,725.93 km) |
| Ponca City to Chiva | 4,963.53 mi (7,988.03 km) |
| Ponca City to Churriana de la Vega | 4,916.28 mi (7,912.00 km) |
| Ponca City to Ciempozuelos | 4,808.05 mi (7,737.81 km) |
| Ponca City to Cieza | 4,978.39 mi (8,011.95 km) |
| Ponca City to Cisterniga | 4,708.62 mi (7,577.80 km) |
| Ponca City to Ciudad de Melilla | 5,018.95 mi (8,077.21 km) |
| Ponca City to Ciudad Real | 4,836.95 mi (7,784.31 km) |
| Ponca City to Ciudad-Rodrigo | 4,660.32 mi (7,500.06 km) |
