Idaho!!!
Between Colorado and Idaho, Idaho is the state that is farthest west in the United States. It is also father west than Wyoming, New Mexico and Montana.
Idaho
Washington and Oregon are west of Idaho.
Colorado is the farthest state west of the four examples.
The State of Idaho borders the State of Montana directly to the West.
Kentucky is the farthest west.
Idaho is bordered by Washington and Oregon to the west.
Hawaii
The Aleutian chain ... part of the state of Alaska ... crosses the 180° meridian.So Alaska is the farthest west and the farthest east state in the USA.
California was the U.S. state that was farthest west in 1850. California became a U.S. state on September 9, 1850. Prior to California being admitted into the Union, Texas was the U.S. state that was farthest west.
Alaska.
California