There are
866 mi
from Stamford, CT to Algonquin, IL
That's the driving distance. It would take 16 hours 27 mins to go from Stamford, Connecticut to Algonquin, Illinois.
The flight distance (direct flight from Stamford, CT to Algonquin, IL) is 765.17 mi.
866 mi = 1,393.96 kms