| Rio Grande City to Castrovillari | 6,244.20 mi (10,049.07 km) |
| Rio Grande City to Catania | 6,288.03 mi (10,119.60 km) |
| Rio Grande City to Catanzaro | 6,298.62 mi (10,136.65 km) |
| Rio Grande City to Cattolica | 5,934.77 mi (9,551.08 km) |
| Rio Grande City to Cava de' Tirreni | 6,144.39 mi (9,888.44 km) |
| Rio Grande City to Cavallino | 6,308.86 mi (10,153.12 km) |
| Rio Grande City to Cavarzere | 5,863.74 mi (9,436.78 km) |
| Rio Grande City to Cave | 6,025.14 mi (9,696.52 km) |
| Rio Grande City to Cavriago | 5,815.87 mi (9,359.75 km) |
| Rio Grande City to Cavriglia | 5,899.31 mi (9,494.03 km) |
| Rio Grande City to Cazzago San Martino | 5,762.87 mi (9,274.45 km) |
| Rio Grande City to Ceccano | 6,051.89 mi (9,739.58 km) |
| Rio Grande City to Cecina | 5,865.65 mi (9,439.86 km) |
| Rio Grande City to Cefalu | 6,218.84 mi (10,008.26 km) |
| Rio Grande City to Ceglie Messapico | 6,265.61 mi (10,083.52 km) |
