There are
1,461 mi
from Rancho Cucamonga, CA to Port Lavaca, TX
That's the driving distance. It would take 1 day 1 hour to go from Rancho Cucamonga, California to Port Lavaca, Texas.
The flight distance (direct flight from Rancho Cucamonga, CA to Port Lavaca, TX) is 1,291.15 mi.
1,461 mi = 1.61 kms