The Ukraine.
The countries that separates Romania and Lithuania are Ukraine and Belarus.
Lithuania, Belarus, Ukraine.
Poland, Ukraine, Lithuania.
* Russia * Belarus * Ukraine
Belarus, bordered by Ukraine to the south, Poland to the west, and Lithuania to the north. It is also bordered by Latvia to the north, and by Russia to the north and east.Belarus.
Belarus.
Lithuania, Russia, Ukraine, Poland
Belarus.
Belarus
Poland, Lithuania, Latvia, Russia, and Ukraine
Poland.