| Okmulgee to Coudekerque-Branche | 4,683.76 mi (7,537.78 km) |
| Okmulgee to Coueron | 4,649.07 mi (7,481.95 km) |
| Okmulgee to Coulommiers | 4,787.35 mi (7,704.49 km) |
| Okmulgee to Courbevoic | 4,751.96 mi (7,647.55 km) |
| Okmulgee to Courcouronnes | 4,768.47 mi (7,674.12 km) |
| Okmulgee to Cournon-d'Auvergne | 4,902.53 mi (7,889.86 km) |
| Okmulgee to Courrieres | 4,724.38 mi (7,603.15 km) |
| Okmulgee to Coutras | 4,789.23 mi (7,707.53 km) |
| Okmulgee to Couzeix | 4,817.13 mi (7,752.42 km) |
| Okmulgee to Cran-Gevrier | 5,014.22 mi (8,069.61 km) |
| Okmulgee to Craponne | 4,964.58 mi (7,989.71 km) |
| Okmulgee to Creil | 4,748.37 mi (7,641.76 km) |
| Okmulgee to Crepy-en-Valois | 4,764.92 mi (7,668.39 km) |
| Okmulgee to Crest | 5,015.07 mi (8,070.97 km) |
| Okmulgee to Creteil | 4,763.92 mi (7,666.79 km) |
