There are
844 mi
from Schenectady, NY to Grayslake, IL
That's the driving distance. It would take 16 hours 17 mins to go from Schenectady, New York to Grayslake, Illinois.
The flight distance (direct flight from Schenectady, NY to Grayslake, IL) is 717.36 mi.
844 mi = 1,357.88 kms