| Ponca City to Cabestany | 5,000.02 mi (8,046.75 km) |
| Ponca City to Cabries | 5,071.33 mi (8,161.52 km) |
| Ponca City to Cachan | 4,745.17 mi (7,636.61 km) |
| Ponca City to Caen | 4,626.36 mi (7,445.41 km) |
| Ponca City to Cagnes-sur-Mer | 5,134.25 mi (8,262.78 km) |
| Ponca City to Cahors | 4,870.01 mi (7,837.52 km) |
| Ponca City to Calais | 4,649.49 mi (7,482.63 km) |
| Ponca City to Caluire-et-Cuire | 4,957.02 mi (7,977.55 km) |
| Ponca City to Cambrai | 4,728.93 mi (7,610.48 km) |
| Ponca City to Canet-en-Roussillon | 5,001.76 mi (8,049.55 km) |
| Ponca City to Cannes | 5,133.37 mi (8,261.36 km) |
| Ponca City to Canteleu | 4,671.43 mi (7,517.94 km) |
| Ponca City to Capbreton | 4,778.67 mi (7,690.53 km) |
| Ponca City to Carcassonne | 4,954.74 mi (7,973.89 km) |
| Ponca City to Carmaux | 4,914.78 mi (7,909.58 km) |
