There are
2,781 mi
from Vacaville, CA to Hanahan, SC
That's the driving distance. It would take 2 days 1 hour to go from Vacaville, California to Hanahan, South Carolina.
The flight distance (direct flight from Vacaville, CA to Hanahan, SC) is 2,366.21 mi.
2,781 mi = 4,476.12 kms