Here are a few suggestions for your next trip from Kastav

In 2 hours, you can reach Rijeka.

In 3 hours, you can reach Laibach, Koper.

In 4 hours, you can reach Kranj.

In 5 hours, you can reach Zagreb, Marburg an der Drau, Celje.

In 6 hours, you can reach Sesvete.

In 7 hours, you can reach Graz.

In 8 hours, you can reach Mailand.

In 9 hours, you can reach Rom, Wien, Split, Turin.

In 10+ hours, you can reach Berlin, Paris, Budapest, Prag, Bratislava, Zürich, Schaan, Hamburg, Brünn, Genf...