There are
1,585 mi
from Brownsville, TX to Temecula, CA
That's the driving distance. It would take 1 day 3 hours to go from Brownsville, Texas to Temecula, California.
The flight distance (direct flight from Brownsville, TX to Temecula, CA) is 1,287.90 mi.
1,585 mi = 1.61 kms