| Oklahoma City to Cognac | 4,827.76 mi (7,769.53 km) |
| Oklahoma City to Cogolin | 5,203.18 mi (8,373.71 km) |
| Oklahoma City to Colmar | 5,044.80 mi (8,118.82 km) |
| Oklahoma City to Colombes | 4,817.07 mi (7,752.33 km) |
| Oklahoma City to Colomiers | 4,972.59 mi (8,002.62 km) |
| Oklahoma City to Combs-la-Ville | 4,838.15 mi (7,786.24 km) |
| Oklahoma City to Comines | 4,780.30 mi (7,693.15 km) |
| Oklahoma City to Compiegne | 4,821.50 mi (7,759.45 km) |
| Oklahoma City to Concarneau | 4,606.10 mi (7,412.81 km) |
| Oklahoma City to Conde-sur-l'Escaut | 4,813.33 mi (7,746.31 km) |
| Oklahoma City to Conflans-Sainte-Honorine | 4,808.40 mi (7,738.37 km) |
| Oklahoma City to Corbas | 5,042.52 mi (8,115.15 km) |
| Oklahoma City to Corbeil-Essonnes | 4,837.13 mi (7,784.60 km) |
| Oklahoma City to Cormeilles-en-Parisis | 4,813.30 mi (7,746.26 km) |
| Oklahoma City to Cosne sur Loire | 4,898.27 mi (7,883.01 km) |
