There are
2,924 mi
from Gresham, OR to Amityville, NY
That's the driving distance. It would take 2 days 3 hours to go from Gresham, Oregon to Amityville, New York.
The flight distance (direct flight from Gresham, OR to Amityville, NY) is 2,456.67 mi.
2,924 mi = 3.22 kms