Here are a few suggestions for your next trip from Płock

In 3 hours, you can reach Warsaw, Łódź, Poznań.

In 4 hours, you can reach Gdańsk.

In 5 hours, you can reach Kraków, Wrocław.

In 6 hours, you can reach Berlin.

In 7 hours, you can reach Ostrava.

In 8 hours, you can reach Hamburg, Žilina, Olomouc.

In 10+ hours, you can reach Budapest, Vienna, Stockholm, Prague, Copenhagen, Amsterdam, Vilnius, Bratislava, Zürich, Brno...