| Sioux Falls to Castelletto sopra Ticino | 4,764.56 mi (7,667.82 km) |
| Sioux Falls to Castelli Calepio | 4,813.95 mi (7,747.31 km) |
| Sioux Falls to Castelnovo ne' Monti | 4,887.97 mi (7,866.43 km) |
| Sioux Falls to Castelnuovo Berardenga | 4,979.42 mi (8,013.60 km) |
| Sioux Falls to Castelnuovo di Porto | 5,074.05 mi (8,165.90 km) |
| Sioux Falls to Castelnuovo di Verona | 4,854.22 mi (7,812.12 km) |
| Sioux Falls to Castelnuovo Rangone | 4,901.73 mi (7,888.57 km) |
| Sioux Falls to Castelvetrano | 5,302.24 mi (8,533.12 km) |
| Sioux Falls to Castelvetro di Modena | 4,904.69 mi (7,893.33 km) |
| Sioux Falls to Castenaso | 4,922.92 mi (7,922.68 km) |
| Sioux Falls to Castenedolo | 4,835.72 mi (7,782.34 km) |
| Sioux Falls to Castiglion Fiorentino | 4,994.63 mi (8,038.08 km) |
| Sioux Falls to Castiglione del Lago | 5,009.14 mi (8,061.44 km) |
| Sioux Falls to Castiglione delle Stiviere | 4,846.27 mi (7,799.32 km) |
| Sioux Falls to Castrolibero | 5,348.59 mi (8,607.72 km) |
