Here are a few suggestions for your next trip from Črnomelj

In 3 hours, you can reach Ljubljana, Kranj.

In 4 hours, you can reach Zagreb, Maribor.

In 5 hours, you can reach Graz.

In 6 hours, you can reach Rijeka.

In 8 hours, you can reach Vienne.

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

In 10+ hours, you can reach Berlin, Rome, Paris, Bucarest, Budapest, Varsovie, Stockholm, Prague, Bruxelles, Amsterdam...