There are
1,713 mi
from Kennewick, WA to Warrensburg, MO
That's the driving distance. It would take 1 day 5 hours to go from Kennewick, Washington to Warrensburg, Missouri.
The flight distance (direct flight from Kennewick, WA to Warrensburg, MO) is 1,385.25 mi.
1,713 mi = 2,756.01 kms