There are
2,170 mi
from Mountain View, CA to Grayslake, IL
That's the driving distance. It would take 1 day 13 hours to go from Mountain View, California to Grayslake, Illinois.
The flight distance (direct flight from Mountain View, CA to Grayslake, IL) is 1,824.93 mi.
2,170 mi = 3.22 kms