There are
1,230 mi
from Temecula, CA to Sammamish, WA
That's the driving distance. It would take 23 hours 21 mins to go from Temecula, California to Sammamish, Washington.
The flight distance (direct flight from Temecula, CA to Sammamish, WA) is 1,010.69 mi.
1,230 mi = 1.61 kms