There are
2,785 mi
from Boise, ID to Boynton Beach, FL
That's the driving distance. It would take 2 days to go from Boise, Idaho to Boynton Beach, Florida.
The flight distance (direct flight from Boise, ID to Boynton Beach, FL) is 2,335.30 mi.
2,785 mi = 4,481.22 kms