There are
1,420 mi
from Dekalb, IL to Hialeah, FL
That's the driving distance. It would take 1 day 2 hours to go from Dekalb, Illinois to Hialeah, Florida.
The flight distance (direct flight from Dekalb, IL to Hialeah, FL) is 1,210.55 mi.
1,420 mi = 2,285.57 kms