Here are a few suggestions for your next trip from Polna na Sumave

In 2 hours, you can reach České Budějovice.

In 4 hours, you can reach Prague, Linz, Pilsen.

In 5 hours, you can reach Vienna, Hradec Králové, Ústí nad Labem, Pardubice, Kladno.

In 6 hours, you can reach Brno, Olomouc, Salzburg, Dresden, Most.

In 7 hours, you can reach Bratislava, Munich, Ostrava, Liberec, Győr, Havířov, Zlín.

In 8 hours, you can reach Berlin, Graz, Wrocław, Trnava, Innsbruck, Villach, Nürnberg.