There are
1,548 mi
from Pasadena, CA to Tomball, TX
That's the driving distance. It would take 1 day 2 hours to go from Pasadena, California to Tomball, Texas.
The flight distance (direct flight from Pasadena, CA to Tomball, TX) is 1,344.72 mi.
1,548 mi = 1.61 kms