There are
1,559 mi
from Downey, CA to Pasadena, TX
That's the driving distance. It would take 1 day 2 hours to go from Downey, California to Pasadena, Texas.
The flight distance (direct flight from Downey, CA to Pasadena, TX) is 1,374.44 mi.
1,559 mi = 1.61 kms