There are
1,551 mi
from Pasadena, TX to Montebello, CA
That's the driving distance. It would take 1 day 2 hours to go from Pasadena, Texas to Montebello, California.
The flight distance (direct flight from Pasadena, TX to Montebello, CA) is 1,373.92 mi.
1,551 mi = 1.61 kms