There are
858 mi
from Hempstead, NY to Algonquin, IL
That's the driving distance. It would take 16 hours 19 mins to go from Hempstead, New York to Algonquin, Illinois.
The flight distance (direct flight from Hempstead, NY to Algonquin, IL) is 765.87 mi.
858 mi = 1,381.44 kms