| Okmulgee to Corato | 5,622.97 mi (9,049.30 km) |
| Okmulgee to Corbetta | 5,143.22 mi (8,277.22 km) |
| Okmulgee to Corciano | 5,372.97 mi (8,646.95 km) |
| Okmulgee to Cordenons | 5,268.78 mi (8,479.28 km) |
| Okmulgee to Cori | 5,461.75 mi (8,789.84 km) |
| Okmulgee to Coriano | 5,350.15 mi (8,610.24 km) |
| Okmulgee to Corigliano Calabro | 5,697.39 mi (9,169.06 km) |
| Okmulgee to Corleone | 5,643.54 mi (9,082.40 km) |
| Okmulgee to Cormano | 5,149.75 mi (8,287.72 km) |
| Okmulgee to Cornaredo | 5,146.49 mi (8,282.48 km) |
| Okmulgee to Cornate d'Adda | 5,157.52 mi (8,300.23 km) |
| Okmulgee to Cornedo Vicentino | 5,232.28 mi (8,420.54 km) |
| Okmulgee to Correggio | 5,245.08 mi (8,441.15 km) |
| Okmulgee to Corridonia | 5,416.82 mi (8,717.53 km) |
| Okmulgee to Corsico | 5,152.46 mi (8,292.08 km) |
