There are
296 mi
from Bolingbrook, IL to Marshalltown, IA
That's the driving distance. It would take 5 hours 33 mins to go from Bolingbrook, Illinois to Marshalltown, Iowa.
The flight distance (direct flight from Bolingbrook, IL to Marshalltown, IA) is 250.13 mi.
296 mi = 477.12 kms