There are
982 mi
from Mesquite, TX to Mchenry, IL
That's the driving distance. It would take 18 hours 3 mins to go from Mesquite, Texas to Mchenry, Illinois.
The flight distance (direct flight from Mesquite, TX to Mchenry, IL) is 802.35 mi.
982 mi = 1,580.57 kms