There are
318 mi
from Evanston, IL to Marshalltown, IA
That's the driving distance. It would take 6 hours 11 mins to go from Evanston, Illinois to Marshalltown, Iowa.
The flight distance (direct flight from Evanston, IL to Marshalltown, IA) is 267.69 mi.
318 mi = 511.38 kms