There are
1,005 mi
from Mesquite, TX to Grayslake, IL
That's the driving distance. It would take 17 hours 55 mins to go from Mesquite, Texas to Grayslake, Illinois.
The flight distance (direct flight from Mesquite, TX to Grayslake, IL) is 809.97 mi.
1,005 mi = 1,617.40 kms