There are
1,098 mi
from Temecula, CA to Kennewick, WA
That's the driving distance. It would take 20 hours 44 mins to go from Temecula, California to Kennewick, Washington.
The flight distance (direct flight from Temecula, CA to Kennewick, WA) is 884.93 mi.
1,098 mi = 1.61 kms