There are
2,682 mi
from Vacaville, CA to Roanoke, VA
That's the driving distance. It would take 1 day 23 hours to go from Vacaville, California to Roanoke, Virginia.
The flight distance (direct flight from Vacaville, CA to Roanoke, VA) is 2,276.25 mi.
2,682 mi = 3.22 kms