There are
1,748 mi
from Tomball, TX to Mendota, CA
That's the driving distance. It would take 1 day 6 hours to go from Tomball, Texas to Mendota, California.
The flight distance (direct flight from Tomball, TX to Mendota, CA) is 1,495.34 mi.
1,748 mi = 2,813.63 kms