Which one is bigger Washington Oregon Alaska Hawaii and California?

Among the states listed, Alaska is the largest by a significant margin, covering about 663,300 square miles. California follows as the second largest at approximately 163,700 square miles. Washington and Oregon are smaller still, with Washington at around 71,300 square miles and Oregon at about 98,400 square miles. Hawaii is the smallest of all, measuring roughly 10,900 square miles.