Fast connections to Germany, Italy and Hungary are avaible. Via the connection Wels - Passau and further to Nuremberg, Upper Austria can also easily be reached from Northern Germany by train. Train connections are also available from Linz via Budweis to the Czech Republic, as well as via the Pyhrnbahn Motorway to Granz and Slovenia. Using the ÖBB schedule inforamtion , it's easy to look for your preferred connection!
Look for your train connection within Austria here!