Here are a few suggestions for your next trip from Varșovia

In 2 hours, you can reach Łódź.

In 3 hours, you can reach Cracovia.

In 5 hours, you can reach Berlin, Ostrava.

In 7 hours, you can reach Brno, Kaunas.

In 8 hours, you can reach Viena, Praga, Vilnius, Bratislava, Hamburg.

In 9 hours, you can reach Košice.

In 10+ hours, you can reach Roma, Paris, București, Budapesta, Stockholm, Copenhaga, Bruxelles, Amsterdam, Zagreb, Zürich...