There are
1,382 mi
from Avondale, AZ to Sammamish, WA
That's the driving distance. It would take 1 day 2 hours to go from Avondale, Arizona to Sammamish, Washington.
The flight distance (direct flight from Avondale, AZ to Sammamish, WA) is 1,104.50 mi.
1,382 mi = 2,223.54 kms