Here are a few suggestions for your next trip from Varsovia

In 2 hours, you can reach Łódź.

In 3 hours, you can reach Cracovia.

In 5 hours, you can reach Berlín, Ostrava.

In 7 hours, you can reach Brno, Kaunas.

In 8 hours, you can reach Viena, Praga, Vilna, Bratislava, Hamburgo.

In 9 hours, you can reach Košice.

In 10+ hours, you can reach Roma, París, Bucarest, Budapest, Estocolmo, Copenhague, Bruselas, Ámsterdam, Zagreb, Zúrich...