Here are a few suggestions for your next trip from Dortmund

In 3 hours, you can reach Amsterdam, Hamburg.

In 4 hours, you can reach Berlijn, Brussel, Rotterdam, Den Haag.

In 5 hours, you can reach Parijs, Luxemburg, Antwerpen.

In 6 hours, you can reach Londen, Esch-sur-Alzette, München.

In 7 hours, you can reach Zürich.

In 8 hours, you can reach Praag, Kopenhagen, Schaan, Århus, Vaduz, Lyon.

In 9 hours, you can reach Wenen, Birmingham, Marseille, Genève.

In 10+ hours, you can reach Rome, Boedapest, Warschau, Stockholm, Dublin, Zagreb, Bratislava, Ljubljana, Barcelona, Milaan...