200 miles
Moldova, Georgia, Bulgaria, Hungary, and Serbia.
Bulgaria (Europe) to State Georgia (USA): 5557 miles
Georgia is about 200 miles away from Bulgaria
Bulgaria.
Serbia
Hungary, Serbia, Bulgaria, Moldova, Ukraine (and the Black Sea).
If you do not consider Kosovo to be a part of Serbia, then the answer is: Macedonia and Bulgaria. If you do consider Kosovo to be a part of Serbia, the answer is: Albania, Macedonia, and Bulgaria.
Macedonia shares its borders with Serbia, Albania, Greece and Bulgaria
Serbia
Romania borders Bulgaria, Serbia, Hungary, the Ukraine, and Moldova.
Surrounding countries are Ukraine, Hungary, Serbia, Bulgaria and Moldova.
Serbia and Bulgaria