There are
1,423 mi
from Hialeah, FL to Dekalb, IL
That's the driving distance. It would take 1 day 2 hours to go from Hialeah, Florida to Dekalb, Illinois.
The flight distance (direct flight from Hialeah, FL to Dekalb, IL) is 1,210.55 mi.
1,423 mi = 2,289.85 kms