In 2 hours, you can reach Linz.
In 3 hours, you can reach Vienna, Salzburg.
In 4 hours, you can reach Bratislava, Brno, Graz, Munich, České Budějovice, Győr.
In 5 hours, you can reach Olomouc, Trnava, Innsbruck, Klagenfurt am Wörthersee, Zlín, Villach, Nürnberg.
In 6 hours, you can reach Prague, Budapest, Maribor, Nitra, Ostrava, Celje, Pilsen, Žilina, Trenčín, Hradec Králové...