There are
1,501 mi
from Rialto, CA to Tomball, TX
That's the driving distance. It would take 1 day 1 hour to go from Rialto, California to Tomball, Texas.
The flight distance (direct flight from Rialto, CA to Tomball, TX) is 1,300.34 mi.
1,501 mi = 1.61 kms