Here are a few suggestions for your next trip from Karlovac

In 2 hours, you can reach Záhřeb.

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

In 5 hours, you can reach Štýrský Hradec, Kranj.

In 7 hours, you can reach Split, Osijek.

In 8 hours, you can reach Budapešť, Vídeň.

In 9 hours, you can reach Bratislava, Linec.

In 10+ hours, you can reach Berlín, Řím, Paříž, Bukurešť, Varšava, Stockholm, Praha, Brusel, Amsterdam, Curych...