| Sioux City to Cuenca | 4,619.02 mi (7,433.59 km) |
| Sioux City to Cuevas del Almanzora | 4,747.31 mi (7,640.05 km) |
| Sioux City to Cullera | 4,737.15 mi (7,623.71 km) |
| Sioux City to Culleredo | 4,227.76 mi (6,803.92 km) |
| Sioux City to Cunit | 4,728.64 mi (7,610.01 km) |
| Sioux City to Daganzo de Arriba | 4,544.07 mi (7,312.97 km) |
| Sioux City to Daimiel | 4,597.08 mi (7,398.28 km) |
| Sioux City to Don Benito | 4,505.00 mi (7,250.10 km) |
| Sioux City to Donostia | 4,492.81 mi (7,230.48 km) |
| Sioux City to Dos Hermanas | 4,570.18 mi (7,354.99 km) |
| Sioux City to Durango | 4,472.32 mi (7,197.51 km) |
| Sioux City to Ecija | 4,597.00 mi (7,398.15 km) |
| Sioux City to Ejea de los Caballeros | 4,575.94 mi (7,364.27 km) |
| Sioux City to El Alamo | 4,533.95 mi (7,296.68 km) |
| Sioux City to El Arahal | 4,587.35 mi (7,382.63 km) |
