There are
1,571 mi
from Conroe, TX to Pasadena, CA
That's the driving distance. It would take 1 day 2 hours to go from Conroe, Texas to Pasadena, California.
The flight distance (direct flight from Conroe, TX to Pasadena, CA) is 1,349.35 mi.
1,571 mi = 2,528.06 kms