There are
1,136 mi
from Palmdale, CA to Sammamish, WA
That's the driving distance. It would take 21 hours 41 mins to go from Palmdale, California to Sammamish, Washington.
The flight distance (direct flight from Palmdale, CA to Sammamish, WA) is 925.48 mi.
1,136 mi = 1.61 kms