There are
793 mi
from Roanoke, VA to Vicksburg, MS
That's the driving distance. It would take 14 hours 33 mins to go from Roanoke, Virginia to Vicksburg, Mississippi.
The flight distance (direct flight from Roanoke, VA to Vicksburg, MS) is 706.70 mi.
793 mi = 1,276.40 kms