There are
2,075 mi
from Naperville, IL to Lathrop, CA
That's the driving distance. It would take 1 day 11 hours to go from Naperville, Illinois to Lathrop, California.
The flight distance (direct flight from Naperville, IL to Lathrop, CA) is 1,768.54 mi.
2,075 mi = 3.22 kms