If we're going by a "simple interpretation" of the submitted title I'm pretty sure it's Canada. But the article actually says you'll hit "another country" after

If we're going by a "simple interpretation" of the submitted title I'm pretty sure it's Canada. But the article actually says you'll hit "another country" after you leave North America. Which is more or less true but the use of "another" seems to be confusing a continent for a country. I guess due South would be Canada and due North would be USA by that measure.