Here are a few suggestions for your next trip from Karlovac

In 2 hours, you can reach Zagreb.

In 4 hours, you can reach Ljubljana, Maribor, Rijeka.

In 5 hours, you can reach Graz, Kranj.

In 7 hours, you can reach Split, Osijek.

In 8 hours, you can reach Budapest, Wien.

In 9 hours, you can reach Bratislava, Linz.

In 10+ hours, you can reach Berlin, Rom, Paris, Bukarest, Warszawa, Stockholm, Prag, Bryssel, Amsterdam, Zürich...