There are
2,031 mi
from Gardena, CA to Prospect Heights, IL
That's the driving distance. It would take 1 day 11 hours to go from Gardena, California to Prospect Heights, Illinois.
The flight distance (direct flight from Gardena, CA to Prospect Heights, IL) is 1,737.44 mi.
2,031 mi = 3,268.79 kms