There are
782 mi
from Roanoke, VA to Bettendorf, IA
That's the driving distance. It would take 15 hours 18 mins to go from Roanoke, Virginia to Bettendorf, Iowa.
The flight distance (direct flight from Roanoke, VA to Bettendorf, IA) is 635.13 mi.
782 mi = 1,258.54 kms