Here are a few suggestions for your next trip from Črnomelj

In 3 hours, you can reach Lubiana, Kranj.

In 4 hours, you can reach Zagabria, Maribor.

In 5 hours, you can reach Graz.

In 6 hours, you can reach Fiume.

In 8 hours, you can reach Vienna.

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

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