| Okmulgee to Carmona | 4,802.80 mi (7,729.36 km) |
| Okmulgee to Cartagena | 5,016.84 mi (8,073.83 km) |
| Okmulgee to Cartama | 4,876.79 mi (7,848.44 km) |
| Okmulgee to Cartaya | 4,736.53 mi (7,622.71 km) |
| Okmulgee to Caspe | 4,928.11 mi (7,931.02 km) |
| Okmulgee to Cassa de la Selva | 5,031.38 mi (8,097.22 km) |
| Okmulgee to Castalla | 4,994.84 mi (8,038.41 km) |
| Okmulgee to Castellbisbal | 5,007.95 mi (8,059.52 km) |
| Okmulgee to Castelldefels | 5,015.00 mi (8,070.87 km) |
| Okmulgee to Castello de Ampurias | 5,026.22 mi (8,088.91 km) |
| Okmulgee to Castellon de la Plana | 4,973.36 mi (8,003.85 km) |
| Okmulgee to Castilleja de la Cuesta | 4,785.79 mi (7,701.99 km) |
| Okmulgee to Catarroja | 4,977.67 mi (8,010.78 km) |
| Okmulgee to Catral | 5,004.61 mi (8,054.13 km) |
| Okmulgee to Caudete | 4,976.36 mi (8,008.68 km) |
