Actually, to everyone who is face-palming, there are two possible answers. If you mean directly East in a straight line then the answer is North America. But if you mean on a basis of longitudinal lines, the answer is actually Australia. It is most likely North America though.
Australia is east of most of Asia. There are islands off the coast of the Americas that are further East than most, if not all, of Asia as well. After these locations you cross the international dateline and it's considered the far West