There are
1,927 mi
from Yakima, WA to Stephenville, TX
That's the driving distance. It would take 1 day 10 hours to go from Yakima, Washington to Stephenville, Texas.
The flight distance (direct flight from Yakima, WA to Stephenville, TX) is 1,541.12 mi.
1,927 mi = 1.61 kms