| Rio Grande City to Corato | 6,198.85 mi (9,976.08 km) |
| Rio Grande City to Corbetta | 5,720.97 mi (9,207.01 km) |
| Rio Grande City to Corciano | 5,947.46 mi (9,571.52 km) |
| Rio Grande City to Cordenons | 5,856.97 mi (9,425.88 km) |
| Rio Grande City to Cori | 6,030.83 mi (9,705.69 km) |
| Rio Grande City to Coriano | 5,929.23 mi (9,542.17 km) |
| Rio Grande City to Corigliano Calabro | 6,266.61 mi (10,085.14 km) |
| Rio Grande City to Corleone | 6,194.90 mi (9,969.73 km) |
| Rio Grande City to Cormano | 5,728.43 mi (9,219.02 km) |
| Rio Grande City to Cornaredo | 5,724.65 mi (9,212.94 km) |
| Rio Grande City to Cornate d'Adda | 5,737.32 mi (9,233.32 km) |
| Rio Grande City to Cornedo Vicentino | 5,815.97 mi (9,359.90 km) |
| Rio Grande City to Correggio | 5,823.68 mi (9,372.30 km) |
| Rio Grande City to Corridonia | 5,994.82 mi (9,647.73 km) |
| Rio Grande City to Corsico | 5,730.48 mi (9,222.32 km) |
