There are
2,559 mi
from Boynton Beach, FL to Idaho Falls, ID
That's the driving distance. It would take 1 day 22 hours to go from Boynton Beach, Florida to Idaho Falls, Idaho.
The flight distance (direct flight from Boynton Beach, FL to Idaho Falls, ID) is 2,135.19 mi.
2,559 mi = 3.22 kms