There are
1,211 mi
from Washington, DC to Sioux City, IA
That's the driving distance. It would take 22 hours 27 mins to go from Washington, District of Columbia to Sioux City, Iowa.
The flight distance (direct flight from Washington, DC to Sioux City, IA) is 1,041.96 mi.
1,211 mi = 1.61 kms