There are
2,015 mi
from Tustin, CA to Prospect Heights, IL
That's the driving distance. It would take 1 day 11 hours to go from Tustin, California to Prospect Heights, Illinois.
The flight distance (direct flight from Tustin, CA to Prospect Heights, IL) is 1,717.66 mi.
2,015 mi = 3,242.64 kms