There are
844 mi
from Brookhaven, MS to Mchenry, IL
That's the driving distance. It would take 15 hours 34 mins to go from Brookhaven, Mississippi to Mchenry, Illinois.
The flight distance (direct flight from Brookhaven, MS to Mchenry, IL) is 752.61 mi.
844 mi = 1,358.03 kms