Its Australia. We have a joke when someone digs a whole you say "Are you trying to dig to china?" Hope that helps :)
The farthest north country is Denmark (via Greenland). The farthest east country is Kiribati.
Mongolia
The North American country that extends farthest East is Canada. The state of Maine in the United States is the most eastern state.
Norway and Iceland
Norway
Canada. Denmark would be considered the farthest north country if including Greenland.
I believe you mean country and that is Russia.
If you mean the northernmost state then it is Alaska.
You may be thinking of the Antarctic Penninsula.
The continent that extends the furthest west is North America. On the other hand, the continent that extends the furthest east is Asia.
China
The Yucatán peninsula is in southeastern Mexico, the farthest any of the country extends to the east. Yucatan separates the Gulf Of Mexico to the north from the Caribbean Sea to the southeast.