| Oklahoma City to Corato | 5,689.42 mi (9,156.23 km) |
| Oklahoma City to Corbetta | 5,209.67 mi (8,384.15 km) |
| Oklahoma City to Corciano | 5,439.80 mi (8,754.52 km) |
| Oklahoma City to Cordenons | 5,333.25 mi (8,583.04 km) |
| Oklahoma City to Cori | 5,529.40 mi (8,898.72 km) |
| Oklahoma City to Coriano | 5,416.23 mi (8,716.58 km) |
| Oklahoma City to Corigliano Calabro | 5,764.86 mi (9,277.65 km) |
| Oklahoma City to Corleone | 5,713.66 mi (9,195.25 km) |
| Oklahoma City to Cormano | 5,216.03 mi (8,394.38 km) |
| Oklahoma City to Cornaredo | 5,212.86 mi (8,389.30 km) |
| Oklahoma City to Cornate d'Adda | 5,223.60 mi (8,406.58 km) |
| Oklahoma City to Cornedo Vicentino | 5,297.61 mi (8,525.68 km) |
| Oklahoma City to Correggio | 5,311.31 mi (8,547.73 km) |
| Oklahoma City to Corridonia | 5,483.04 mi (8,824.09 km) |
| Oklahoma City to Corsico | 5,218.85 mi (8,398.93 km) |
