Just like every other criminal head of state that has been defeated, he’ll be offered a large sum of money and safe passage to a friendly country to spend the rest of his life. In his case, it will be Russia.
There are actually very few places on earth where you could dig directly through the center of the planet and find land on the other side. Most likely you would just get ocean for all your trouble.
That’s the same reason that he drives outside the lines.