Here are a few suggestions for your next trip from Metzingen(Württ)

In 2 hours, you can reach Stuttgart, Neuffen, Metzingen-Neuhausen, Gültstein, Vaihingen(Enz), Bad Friedrichshall-Kochendorf, Herbolzheim(Jagst), Nürtingen-Roßdorf, Frickenhausen, Frickenhausen Kelterstraße...

In 3 hours, you can reach Mannheim, Mainz, Roigheim, Eberbach, Adelsheim Ost, Neckargemünd, Haßmersheim, Neudenau, Neckarzimmern, Bingen(Rhein) Hbf...

In 4 hours, you can reach Bonn, Koblenz Hbf, Hanau Hbf, Fulda, Andernach, Remagen.

In 5 hours, you can reach Köln, Düsseldorf, Duisburg, Wuppertal, Solingen Hbf, Kornwestheim Pbf.

In 6 hours, you can reach Essen, Dortmund, Bochum, Hagen, Hamm(Westf)Hbf, Kassel-Wilhelmshöhe, Göttingen.

In 7 hours, you can reach Bielefeld, Gütersloh Hbf, Herford, Bad Oeynhausen.

In 8 hours, you can reach Hannover, Minden(Westf).

In 9 hours, you can reach Braunschweig, Stendal Hbf, Wolfsburg Hbf.

In 10+ hours, you can reach Berlin, Dresden, Leipzig, Halle (Saale), Magdeburg, Berlin-Spandau, Leipzig/Halle Flughafen, Riesa, Dessau Hbf, Bitterfeld...