Attu Mountain

Attu is an island in the Near Islands. It is the westernmost point of the U.S. state of Alaska. The island became uninhabited in 2010, making it the largest uninhabited island that is part of the United States politically.

In the chain of the Aleutians, the islands immediately to the west of Attu are the Russian Commander Islands, 208 miles away. Attu is nearly 1,100 miles from the Alaskan mainland and 750 miles northeast of the northernmost of the Kuril Islands of Russia, as well as being 1,500 miles from Anchorage, 2,000 miles from Alaska's capital of Juneau, and 4,845 miles from New York City. Attu is about 20 by 35 miles in size with a land area of 344.7 square miles, making it #23 on the list of largest islands in the United States.

Source: Wikipedia