| Sioux Falls to Castrovillari | 5,323.41 mi (8,567.19 km) |
| Sioux Falls to Catania | 5,398.73 mi (8,688.42 km) |
| Sioux Falls to Catanzaro | 5,384.27 mi (8,665.15 km) |
| Sioux Falls to Cattolica | 4,994.02 mi (8,037.10 km) |
| Sioux Falls to Cava de' Tirreni | 5,224.64 mi (8,408.25 km) |
| Sioux Falls to Cavallino | 5,369.84 mi (8,641.93 km) |
| Sioux Falls to Cavarzere | 4,914.87 mi (7,909.73 km) |
| Sioux Falls to Cave | 5,105.26 mi (8,216.12 km) |
| Sioux Falls to Cavriago | 4,880.26 mi (7,854.03 km) |
| Sioux Falls to Cavriglia | 4,970.58 mi (7,999.38 km) |
| Sioux Falls to Cazzago San Martino | 4,820.85 mi (7,758.41 km) |
| Sioux Falls to Ceccano | 5,132.07 mi (8,259.27 km) |
| Sioux Falls to Cecina | 4,944.80 mi (7,957.89 km) |
| Sioux Falls to Cefalu | 5,331.57 mi (8,580.33 km) |
| Sioux Falls to Ceglie Messapico | 5,328.02 mi (8,574.61 km) |
