There are
2,126 mi
from Yakima, WA to Port Lavaca, TX
That's the driving distance. It would take 1 day 15 hours to go from Yakima, Washington to Port Lavaca, Texas.
The flight distance (direct flight from Yakima, WA to Port Lavaca, TX) is 1,790.09 mi.
2,126 mi = 3.22 kms