| Ponca City to Celano | 5,456.62 mi (8,781.58 km) |
| Ponca City to Cento | 5,252.50 mi (8,453.08 km) |
| Ponca City to Cepagatti | 5,463.97 mi (8,793.41 km) |
| Ponca City to Ceprano | 5,478.93 mi (8,817.49 km) |
| Ponca City to Cercola | 5,542.53 mi (8,919.84 km) |
| Ponca City to Cerea | 5,229.96 mi (8,416.80 km) |
| Ponca City to Cerese | 5,218.46 mi (8,398.29 km) |
| Ponca City to Cerignola | 5,585.07 mi (8,988.31 km) |
| Ponca City to Cermenate | 5,126.92 mi (8,250.99 km) |
| Ponca City to Cernusco sul Naviglio | 5,144.19 mi (8,278.78 km) |
| Ponca City to Cerreto Guidi | 5,278.41 mi (8,494.78 km) |
| Ponca City to Cerro Maggiore | 5,125.91 mi (8,249.36 km) |
| Ponca City to Certaldo | 5,293.99 mi (8,519.85 km) |
| Ponca City to Cerveteri | 5,402.93 mi (8,695.18 km) |
| Ponca City to Cervia | 5,314.25 mi (8,552.47 km) |
