Here are a few suggestions for your next trip from Sisak

In 2 hours, you can reach Zagabria.

In 4 hours, you can reach Lubiana, Maribor, Kranj.

In 5 hours, you can reach Graz, Osijek.

In 6 hours, you can reach Fiume.

In 8 hours, you can reach Budapest, Vienna.

In 9 hours, you can reach Bratislava, Spalato, Linz.

In 10+ hours, you can reach Berlino, Roma, Parigi, Bucarest, Varsavia, Stoccolma, Praga, Bruxelles, Amsterdam, Zurigo...