There are
1,192 mi
from Sioux City, IA to Herndon, VA
That's the driving distance. It would take 22 hours 28 mins to go from Sioux City, Iowa to Herndon, Virginia.
The flight distance (direct flight from Sioux City, IA to Herndon, VA) is 1,022.54 mi.
1,192 mi = 1.61 kms