There are two popular routes from Russia to Croatia - the choice between them depends more on personal preferences, because both in length and in the amount of seen on the way they are very similar. Many even choose one of them for the way "there", and return by another route: 1. Belarus (Brest) - Poland (Warsaw) - Czech Republic (Brno) - Austria (Vienna) - Slovenia (Ljubljana) - Croatia (Rovinj). The length of the route is 2493 km, the approximate travel time is 30 hours 2. Belarus (Domachevo) - Poland (Lublin) - Slovakia - Hungary (Budapest) - Croatia (Zagreb-Rovinj). The length of this route is 2425 km. Travel time is approximately 32 hours

At the borders you will be asked the following documents: driver's license (Russian enough, international is optional), car insurance, documents for it, and transit Schengen visa for each passenger.