Here are a few suggestions for your next trip from Boedapest

In 3 hours, you can reach Wenen, Bratislava, Debrecen, Szeged, Nitra.

In 4 hours, you can reach Košice.

In 5 hours, you can reach Brno, Graz, Linz.

In 6 hours, you can reach Zagreb, Maribor, Ostrava.

In 7 hours, you can reach Praag, München.

In 8 hours, you can reach Ljubljana.

In 9 hours, you can reach Krakau, Kranj.

In 10+ hours, you can reach Berlijn, Rome, Parijs, Boekarest, Warschau, Stockholm, Brussel, Amsterdam, Zürich, Schaan...