Here are a few suggestions for your next trip from Słupsk

In 4 hours, you can reach Poznań.

In 5 hours, you can reach Warszawa.

In 6 hours, you can reach Berlin, Łódź, Wrocław.

In 7 hours, you can reach Kraków.

In 8 hours, you can reach Hamburg.

In 9 hours, you can reach Ostrawa.

In 10+ hours, you can reach Paryż, Budapeszt, Wiedeń, Sztokholm, Praga, Kopenhaga, Bruksela, Amsterdam, Wilno, Bratysława...