| Ponca City to Coudekerque-Branche | 4,666.69 mi (7,510.31 km) |
| Ponca City to Coueron | 4,640.42 mi (7,468.03 km) |
| Ponca City to Coulommiers | 4,773.26 mi (7,681.83 km) |
| Ponca City to Courbevoic | 4,738.26 mi (7,625.50 km) |
| Ponca City to Courcouronnes | 4,755.09 mi (7,652.57 km) |
| Ponca City to Cournon-d'Auvergne | 4,893.02 mi (7,874.55 km) |
| Ponca City to Courrieres | 4,707.86 mi (7,576.57 km) |
| Ponca City to Coutras | 4,783.00 mi (7,697.49 km) |
| Ponca City to Couzeix | 4,808.71 mi (7,738.87 km) |
| Ponca City to Cran-Gevrier | 5,002.49 mi (8,050.73 km) |
| Ponca City to Craponne | 4,954.03 mi (7,972.74 km) |
| Ponca City to Creil | 4,733.97 mi (7,618.59 km) |
| Ponca City to Crepy-en-Valois | 4,750.31 mi (7,644.89 km) |
| Ponca City to Crest | 5,005.81 mi (8,056.07 km) |
| Ponca City to Creteil | 4,750.25 mi (7,644.79 km) |
