There are
1,909 mi
from Pasadena, TX to Los Altos, CA
That's the driving distance. It would take 1 day 9 hours to go from Pasadena, Texas to Los Altos, California.
The flight distance (direct flight from Pasadena, TX to Los Altos, CA) is 1,631.39 mi.
1,909 mi = 1.61 kms