There are
1,214 mi
from Kennewick, WA to San Luis, AZ
That's the driving distance. It would take 22 hours 53 mins to go from Kennewick, Washington to San Luis, Arizona.
The flight distance (direct flight from Kennewick, WA to San Luis, AZ) is 975.98 mi.
1,214 mi = 1,954.17 kms