There are
215 mi
from Sioux City, IA to Marshalltown, IA
That's the driving distance. It would take 4 hours 17 mins to go from Sioux City, Iowa to Marshalltown, Iowa.
The flight distance (direct flight from Sioux City, IA to Marshalltown, IA) is 181.22 mi.
215 mi = 345.94 kms