In 2 hours, you can reach Linz.
In 3 hours, you can reach Salzburg.
In 4 hours, you can reach Vienna, Graz, Munich.
In 5 hours, you can reach Bratislava, Maribor, České Budějovice, Innsbruck, Győr, Klagenfurt am Wörthersee, Villach.
In 6 hours, you can reach Budapest, Prague, Brno, Nitra, Kranj, Celje, Olomouc, Stuttgart, Trnava, Ptuj...