If you chose to travel by car you shall cross many countries. Until Vienna, if you are an EU citizen, you shall need no visa. However you might need one for Serbia and Montenegro, so best check with local embassy prior to travel. The best route to take is Vienna- Budapest – Belgrade – Sofia. Most of the route passes on highways and only a small part on first class roads. The distance from Vienna to Sofia is about 1 300 km. You may chose to buy insurance policy either previously or on border checkpoints. Rent-a-car offices provide services all over Bulgaria, but mostly in big cities. You should be cautiuos regarding the following speed limitations:
