Here are a few suggestions for your next trip from Ketrzyn

In 2 hours, you can reach Białystok.

In 4 hours, you can reach Warsaw, Gdańsk, Bydgoszcz, Gdynia.

In 5 hours, you can reach Łódź, Poznań, Marijampolė.

In 6 hours, you can reach Kaunas, Wrocław, Lublin, Częstochowa.

In 7 hours, you can reach Vilnius, Kraków, Szczecin, Katowice, Sosnowiec.

In 8 hours, you can reach Berlin.