There are
1,377 mi
from Downey, CA to Gainesville, TX
That's the driving distance. It would take 23 hours 59 mins to go from Downey, California to Gainesville, Texas.
The flight distance (direct flight from Downey, CA to Gainesville, TX) is 1,204.03 mi.
1,377 mi = 2,216.32 kms