There are ferry routes to Galati (Romania)DLC RttBS:
Bralia (Romania) and Novorossiysk (Russia) – 9 hours 30 minutes on the road.
Novorossiysk (Russia) and Smardan (Romania) – 9 hours on the road.
as well as
Novorossiysk and Thessaloniki (Greece) – 16 hours on the road