There are
1,875 mi
from Kennewick, WA to Sachse, TX
That's the driving distance. It would take 1 day 8 hours to go from Kennewick, Washington to Sachse, Texas.
The flight distance (direct flight from Kennewick, WA to Sachse, TX) is 1,499.80 mi.
1,875 mi = 3,017.88 kms