| Sioux Falls to Casamassima | 5,292.07 mi (8,516.76 km) |
| Sioux Falls to Casandrino | 5,196.67 mi (8,363.24 km) |
| Sioux Falls to Casapulla | 5,191.31 mi (8,354.60 km) |
| Sioux Falls to Casarano | 5,384.00 mi (8,664.71 km) |
| Sioux Falls to Casatenovo | 4,789.85 mi (7,708.52 km) |
| Sioux Falls to Casciana Terme | 4,938.57 mi (7,947.86 km) |
| Sioux Falls to Cascina | 4,928.72 mi (7,932.00 km) |
| Sioux Falls to Caselle Torinese | 4,753.22 mi (7,649.58 km) |
| Sioux Falls to Caserta | 5,193.13 mi (8,357.54 km) |
| Sioux Falls to Casier | 4,898.15 mi (7,882.81 km) |
| Sioux Falls to Casorate Primo | 4,796.80 mi (7,719.70 km) |
| Sioux Falls to Casoria | 5,200.14 mi (8,368.82 km) |
| Sioux Falls to Cassano al Ionio | 5,329.33 mi (8,576.73 km) |
| Sioux Falls to Cassano d'Adda | 4,804.84 mi (7,732.64 km) |
| Sioux Falls to Cassano delle Murge | 5,290.08 mi (8,513.57 km) |
