| Sioux City to Coswig | 4,655.43 mi (7,492.19 km) |
| Sioux City to Cottbus | 4,721.86 mi (7,599.09 km) |
| Sioux City to Crailsheim | 4,700.18 mi (7,564.20 km) |
| Sioux City to Cremlingen | 4,581.45 mi (7,373.13 km) |
| Sioux City to Crimmitschau | 4,702.26 mi (7,567.55 km) |
| Sioux City to Cuxhaven | 4,448.25 mi (7,158.77 km) |
| Sioux City to Dachau | 4,786.73 mi (7,703.49 km) |
| Sioux City to Dallgow-Doberitz | 4,645.71 mi (7,476.54 km) |
| Sioux City to Damme | 4,489.02 mi (7,224.38 km) |
| Sioux City to Darmstadt | 4,618.68 mi (7,433.05 km) |
| Sioux City to Dassel | 4,569.36 mi (7,353.67 km) |
| Sioux City to Datteln | 4,497.16 mi (7,237.48 km) |
| Sioux City to Dautphe | 4,572.24 mi (7,358.31 km) |
| Sioux City to Deggendorf | 4,812.68 mi (7,745.26 km) |
| Sioux City to Delbruck | 4,533.56 mi (7,296.06 km) |
