There are
845 mi
from Danbury, CT to La Grange Park, IL
That's the driving distance. It would take 15 hours 50 mins to go from Danbury, Connecticut to La Grange Park, Illinois.
The flight distance (direct flight from Danbury, CT to La Grange Park, IL) is 743.99 mi.
845 mi = 1,359.84 kms