In 2 hours, you can reach Brno.
In 4 hours, you can reach Bratislava, Vienna, Prague, Ostrava, Olomouc, Trnava, Hradec Králové, Pardubice, Zlín.
In 5 hours, you can reach Linz, Pilsen, České Budějovice, Trenčín, Győr, Ústí nad Labem, Havířov, Kladno.
In 6 hours, you can reach Budapest, Graz, Nitra, Wrocław, Liberec, Žilina, Salzburg, Katowice, Dresden, Most...