The North American country that extends farthest East is Canada. The state of Maine in the United States is the most eastern state.
The farthest north country is Denmark (via Greenland). The farthest east country is Kiribati.
Brazil is the South American country that extends the farthest east.
Maine is the state that extends the farthest east in the United States. Its easternmost point is West Quoddy Head, which is the easternmost point of the contiguous United States.
Canada extends farthest east in North America, with Newfoundland and Labrador being the easternmost province.
Canada is the North American country that extends the farthest east. Its easternmost point is Cape Spear in Newfoundland and Labrador.
The continent that extends the furthest west is North America. On the other hand, the continent that extends the furthest east is Asia.
Maine
alaska
The Gobi Desert extends the farthest east.
Brazil is the South American country that extends the farthest east.
Alaska. On a map it's obvious that it's the farthest north and west, but a few of the Aleutian islands actually cross the Prime Meridian making it the most easterly as well.