There are
1,054 mi
from Gainesville, FL to Mundelein, IL
That's the driving distance. It would take 20 hours 14 mins to go from Gainesville, Florida to Mundelein, Illinois.
The flight distance (direct flight from Gainesville, FL to Mundelein, IL) is 926.87 mi.
1,054 mi = 1.61 kms