There are
1,298 mi
from Deerfield Beach, FL to Markham, IL
That's the driving distance. It would take 1 day to go from Deerfield Beach, Florida to Markham, Illinois.
The flight distance (direct flight from Deerfield Beach, FL to Markham, IL) is 1,140.45 mi.
1,298 mi = 1.61 kms