There are
1,573 mi
from Pasadena, CA to Conroe, TX
That's the driving distance. It would take 1 day 2 hours to go from Pasadena, California to Conroe, Texas.
The flight distance (direct flight from Pasadena, CA to Conroe, TX) is 1,349.35 mi.
1,573 mi = 1.61 kms