There are
1,536 mi
from Irvine, CA to Tomball, TX
That's the driving distance. It would take 1 day 2 hours to go from Irvine, California to Tomball, Texas.
The flight distance (direct flight from Irvine, CA to Tomball, TX) is 1,321.80 mi.
1,536 mi = 1.61 kms