There are
976 mi
from Roswell, GA to Wausau, WI
That's the driving distance. It would take 18 hours 22 mins to go from Roswell, Georgia to Wausau, Wisconsin.
The flight distance (direct flight from Roswell, GA to Wausau, WI) is 805.66 mi.
976 mi = 1,571.36 kms