| Sioux Falls to Cervignano del Friuli | 4,925.91 mi (7,927.49 km) |
| Sioux Falls to Cesa | 5,194.42 mi (8,359.61 km) |
| Sioux Falls to Cesano Maderno | 4,786.99 mi (7,703.91 km) |
| Sioux Falls to Cesena | 4,968.29 mi (7,995.69 km) |
| Sioux Falls to Cesenatico | 4,970.72 mi (7,999.61 km) |
| Sioux Falls to Cetraro | 5,330.22 mi (8,578.16 km) |
| Sioux Falls to Cherasco | 4,785.37 mi (7,701.30 km) |
| Sioux Falls to Chiampo | 4,867.08 mi (7,832.81 km) |
| Sioux Falls to Chiaravalle | 5,033.13 mi (8,100.04 km) |
| Sioux Falls to Chiari | 4,818.63 mi (7,754.83 km) |
| Sioux Falls to Chiavari | 4,854.59 mi (7,812.71 km) |
| Sioux Falls to Chieri | 4,767.13 mi (7,671.95 km) |
| Sioux Falls to Chieti | 5,123.94 mi (8,246.19 km) |
| Sioux Falls to Chioggia | 4,917.90 mi (7,914.60 km) |
| Sioux Falls to Chiusi | 5,011.44 mi (8,065.13 km) |
