Here are a few suggestions for your next trip from Kalisz

In 2 hours, you can reach Łódź, Wrocław.

In 3 hours, you can reach Warsaw.

In 5 hours, you can reach Berlin, Kraków, Ostrava.

In 7 hours, you can reach Prague, Hamburg, Brno.

In 8 hours, you can reach Vienna, Bratislava.

In 9 hours, you can reach Munich.

In 10+ hours, you can reach Rome, Paris, Bucharest, Budapest, Stockholm, Copenhagen, Brussels, Amsterdam, Zagreb, Vilnius...