There are
1,611 mi
from Downey, CA to San Benito, TX
That's the driving distance. It would take 1 day 3 hours to go from Downey, California to San Benito, Texas.
The flight distance (direct flight from Downey, CA to San Benito, TX) is 1,336.46 mi.
1,611 mi = 1.61 kms