There are
822 mi
from Schenectady, NY to Mt Prospect, IL
That's the driving distance. It would take 15 hours 51 mins to go from Schenectady, New York to Mt Prospect, Illinois.
The flight distance (direct flight from Schenectady, NY to Mt Prospect, IL) is 714.78 mi.
822 mi = 1,322.51 kms