There are
1,820 mi
from Glendale, AZ to Grayslake, IL
That's the driving distance. It would take 1 day 8 hours to go from Glendale, Arizona to Grayslake, Illinois.
The flight distance (direct flight from Glendale, AZ to Grayslake, IL) is 1,442.78 mi.
1,820 mi = 1.61 kms