There are
1,316 mi
from Mt Prospect, IL to Boynton Beach, FL
That's the driving distance. It would take 1 day to go from Mt Prospect, Illinois to Boynton Beach, Florida.
The flight distance (direct flight from Mt Prospect, IL to Boynton Beach, FL) is 1,162.66 mi.
1,316 mi = 2,117.73 kms