In 2 hours, you can reach Brno.
In 3 hours, you can reach Prague, Pardubice.
In 4 hours, you can reach Bratislava, Vienna, Olomouc, Trnava, Hradec Králové, Ústí nad Labem, Zlín, Kladno.
In 5 hours, you can reach Ostrava, Linz, Pilsen, České Budějovice, Trenčín, Havířov.
In 6 hours, you can reach Budapest, Nitra, Wrocław, Liberec, Žilina, Győr, Katowice, Dresden, Most, Sosnowiec...