Here are a few suggestions for your next trip from Varšava

In 2 hours, you can reach Łódź.

In 3 hours, you can reach Krakov.

In 5 hours, you can reach Berlín, Ostrava.

In 7 hours, you can reach Brno, Kaunas.

In 8 hours, you can reach Vídeň, Praha, Vilnius, Bratislava, Hamburk.

In 9 hours, you can reach Košice.

In 10+ hours, you can reach Řím, Paříž, Bukurešť, Budapešť, Stockholm, Kodaň, Brusel, Amsterdam, Záhřeb, Curych...