There are
2,011 mi
from Montebello, CA to Mt Prospect, IL
That's the driving distance. It would take 1 day 11 hours to go from Montebello, California to Mt Prospect, Illinois.
The flight distance (direct flight from Montebello, CA to Mt Prospect, IL) is 1,723.13 mi.
2,011 mi = 3,235.95 kms