There are
1,360 mi
from Deerfield Beach, FL to Crystal Lake, IL
That's the driving distance. It would take 1 day 1 hour to go from Deerfield Beach, Florida to Crystal Lake, Illinois.
The flight distance (direct flight from Deerfield Beach, FL to Crystal Lake, IL) is 1,194.51 mi.
1,360 mi = 1.61 kms