There are
1,839 mi
from Temecula, CA to Brownsville, TN
That's the driving distance. It would take 1 day 8 hours to go from Temecula, California to Brownsville, Tennessee.
The flight distance (direct flight from Temecula, CA to Brownsville, TN) is 1,588.34 mi.
1,839 mi = 2,960.38 kms