| Okmulgee to Cognac | 4,758.17 mi (7,657.54 km) |
| Okmulgee to Cogolin | 5,134.12 mi (8,262.57 km) |
| Okmulgee to Colmar | 4,979.87 mi (8,014.33 km) |
| Okmulgee to Colombes | 4,751.03 mi (7,646.04 km) |
| Okmulgee to Colomiers | 4,901.95 mi (7,888.93 km) |
| Okmulgee to Combs-la-Ville | 4,771.99 mi (7,679.77 km) |
| Okmulgee to Comines | 4,716.14 mi (7,589.89 km) |
| Okmulgee to Compiegne | 4,756.08 mi (7,654.17 km) |
| Okmulgee to Concarneau | 4,537.20 mi (7,301.92 km) |
| Okmulgee to Conde-sur-l'Escaut | 4,749.09 mi (7,642.92 km) |
| Okmulgee to Conflans-Sainte-Honorine | 4,742.36 mi (7,632.10 km) |
| Okmulgee to Corbas | 4,974.71 mi (8,006.02 km) |
| Okmulgee to Corbeil-Essonnes | 4,770.89 mi (7,678.01 km) |
| Okmulgee to Cormeilles-en-Parisis | 4,747.28 mi (7,640.01 km) |
| Okmulgee to Cosne sur Loire | 4,831.17 mi (7,775.02 km) |
