There are
293 mi
from Schaumburg, IL to Marshalltown, IA
That's the driving distance. It would take 5 hours 51 mins to go from Schaumburg, Illinois to Marshalltown, Iowa.
The flight distance (direct flight from Schaumburg, IL to Marshalltown, IA) is 247.53 mi.
293 mi = 471.83 kms