There are
929 mi
from Roanoke, VA to Marshfield, WI
That's the driving distance. It would take 18 hours 25 mins to go from Roanoke, Virginia to Marshfield, Wisconsin.
The flight distance (direct flight from Roanoke, VA to Marshfield, WI) is 737.90 mi.
929 mi = 1,494.53 kms