There are
1,186 mi
from Irvine, CA to Sammamish, WA
That's the driving distance. It would take 22 hours 32 mins to go from Irvine, California to Sammamish, Washington.
The flight distance (direct flight from Irvine, CA to Sammamish, WA) is 989.79 mi.
1,186 mi = 1.61 kms