There are
1,101 mi
from Temecula, CA to Pasco, WA
That's the driving distance. It would take 20 hours 50 mins to go from Temecula, California to Pasco, Washington.
The flight distance (direct flight from Temecula, CA to Pasco, WA) is 886.66 mi.
1,101 mi = 1.61 kms