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, Zlín.
In 5 hours, you can reach Ostrava, Linz, Pilsen, Liberec, České Budějovice, Győr, Trenčín, Ústí nad Labem, Havířov, Kladno.
In 6 hours, you can reach Budapest, Graz, Nitra, Wrocław, Žilina, Salzburg, Katowice, Dresden, Most, Sosnowiec...