There are
1,944 mi
from Hesperia, CA to Prospect Heights, IL
That's the driving distance. It would take 1 day 10 hours to go from Hesperia, California to Prospect Heights, Illinois.
The flight distance (direct flight from Hesperia, CA to Prospect Heights, IL) is 1,669.14 mi.
1,944 mi = 1.61 kms