There are
2,838 mi
from Mt Vernon, NY to Sammamish, WA
That's the driving distance. It would take 2 days 2 hours to go from Mt Vernon, New York to Sammamish, Washington.
The flight distance (direct flight from Mt Vernon, NY to Sammamish, WA) is 2,391.33 mi.
2,838 mi = 3.22 kms