I know it is somewhere east of morrowind, but I think it is still not that far from Skyrim.

Or actually very far?

pretty far, its a different continent

Akavir is another continent, far to the east of Tamriel. An estimate I have seen puts it 4200 miles away, accuracy of that is unknown.

Link to map: http://imperial-library.info/sites/default/files/imagecache/node-gallery-display/gallery_files/minibigmaproadslore31gv.jpg