There are
2,150 mi
from Palo Alto, CA to Lemont, IL
That's the driving distance. It would take 1 day 13 hours to go from Palo Alto, California to Lemont, Illinois.
The flight distance (direct flight from Palo Alto, CA to Lemont, IL) is 1,829.81 mi.
2,150 mi = 3,459.92 kms