| Sioux Falls to Cassina de' Pecchi | 4,800.21 mi (7,725.19 km) |
| Sioux Falls to Cassino | 5,153.59 mi (8,293.90 km) |
| Sioux Falls to Castagneto Carducci | 4,954.95 mi (7,974.23 km) |
| Sioux Falls to Castano Primo | 4,777.02 mi (7,687.87 km) |
| Sioux Falls to Castel Bolognese | 4,943.90 mi (7,956.43 km) |
| Sioux Falls to Castel Gandolfo | 5,098.33 mi (8,204.98 km) |
| Sioux Falls to Castel Goffredo | 4,850.14 mi (7,805.55 km) |
| Sioux Falls to Castel Maggiore | 4,916.50 mi (7,912.34 km) |
| Sioux Falls to Castel Mella | 4,829.09 mi (7,771.68 km) |
| Sioux Falls to Castel San Giorgio | 5,220.52 mi (8,401.61 km) |
| Sioux Falls to Castel San Giovanni | 4,824.20 mi (7,763.81 km) |
| Sioux Falls to Castel San Pietro Terme | 4,932.17 mi (7,937.56 km) |
| Sioux Falls to Castel Volturno | 5,178.74 mi (8,334.37 km) |
| Sioux Falls to Castelbuono | 5,339.69 mi (8,593.39 km) |
| Sioux Falls to Casteldaccia | 5,312.41 mi (8,549.50 km) |
