Here are a few suggestions for your next trip from Chomutov

In 3 hours, you can reach Prag.

In 5 hours, you can reach Berlin, Brünn.

In 6 hours, you can reach München, Ostrava.

In 7 hours, you can reach Wien, Bratislava, Hamburg, Linz.

In 9 hours, you can reach Schaan, Vaduz, Krakau.

In 10+ hours, you can reach Rom, Paris, Bukarest, Budapest, Warschau, Stockholm, Kopenhagen, Brüssel, Amsterdam, Zagreb...