There are
1,740 mi
from Vacaville, CA to Gatesville, TX
That's the driving distance. It would take 1 day 6 hours to go from Vacaville, California to Gatesville, Texas.
The flight distance (direct flight from Vacaville, CA to Gatesville, TX) is 1,449.60 mi.
1,740 mi = 2,799.90 kms