There are
1,454 mi
from Temecula, CA to Port Lavaca, TX
That's the driving distance. It would take 1 day 1 hour to go from Temecula, California to Port Lavaca, Texas.
The flight distance (direct flight from Temecula, CA to Port Lavaca, TX) is 1,258.19 mi.
1,454 mi = 1.61 kms