There are
800 mi
from Mesquite, TX to Mcdonough, GA
That's the driving distance. It would take 14 hours 32 mins to go from Mesquite, Texas to Mcdonough, Georgia.
The flight distance (direct flight from Mesquite, TX to Mcdonough, GA) is 721.79 mi.
800 mi = 1,286.88 kms