There are
2,470 mi
from Boise, ID to Hanahan, SC
That's the driving distance. It would take 1 day 19 hours to go from Boise, Idaho to Hanahan, South Carolina.
The flight distance (direct flight from Boise, ID to Hanahan, SC) is 2,079.50 mi.
2,470 mi = 3.22 kms