There are
285 mi
from Ann Arbor, MI to Grayslake, IL
That's the driving distance. It would take 5 hours 32 mins to go from Ann Arbor, Michigan to Grayslake, Illinois.
The flight distance (direct flight from Ann Arbor, MI to Grayslake, IL) is 219.66 mi.
285 mi = 458.32 kms