There are
1,878 mi
from Kennewick, WA to Leander, TX
That's the driving distance. It would take 1 day 10 hours to go from Kennewick, Washington to Leander, Texas.
The flight distance (direct flight from Kennewick, WA to Leander, TX) is 1,570.09 mi.
1,878 mi = 3,021.78 kms