Here are a few suggestions for your next trip from Sisak

In 2 hours, you can reach Zagreb.

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

In 5 hours, you can reach Graz, Osijek.

In 6 hours, you can reach Rijeka.

In 8 hours, you can reach Budapest, Viena.

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

In 10+ hours, you can reach Berlín, Roma, París, Bucarest, Varsovia, Estocolmo, Praga, Bruselas, Ámsterdam, Zúrich...