| Owasso to Cernavoda | 5,852.16 mi (9,418.15 km) |
| Owasso to Chitila | 5,774.63 mi (9,293.36 km) |
| Owasso to Cisnadie | 5,652.72 mi (9,097.17 km) |
| Owasso to Cluj-Napoca | 5,582.11 mi (8,983.54 km) |
| Owasso to Codlea | 5,697.19 mi (9,168.74 km) |
| Owasso to Comanesti | 5,693.94 mi (9,163.52 km) |
| Owasso to Comarnic | 5,725.80 mi (9,214.79 km) |
| Owasso to Constanta | 5,880.83 mi (9,464.28 km) |
| Owasso to Corabia | 5,760.19 mi (9,270.12 km) |
| Owasso to Costesti | 5,728.98 mi (9,219.90 km) |
| Owasso to Covasna | 5,714.32 mi (9,196.31 km) |
| Owasso to Craiova | 5,708.72 mi (9,187.29 km) |
| Owasso to Cristuru Secuiesc | 5,654.05 mi (9,099.31 km) |
| Owasso to Cugir | 5,619.46 mi (9,043.65 km) |
| Owasso to Cumpana | 5,881.04 mi (9,464.62 km) |
