There are
1,287 mi
from Boynton Beach, FL to Frankfort, IL
That's the driving distance. It would take 1 day to go from Boynton Beach, Florida to Frankfort, Illinois.
The flight distance (direct flight from Boynton Beach, FL to Frankfort, IL) is 1,125.08 mi.
1,287 mi = 1.61 kms