There are
1,850 mi
from Fremont, CA to Port Lavaca, TX
That's the driving distance. It would take 1 day 8 hours to go from Fremont, California to Port Lavaca, Texas.
The flight distance (direct flight from Fremont, CA to Port Lavaca, TX) is 1,586.31 mi.
1,850 mi = 1.61 kms