Here are a few suggestions for your next trip from Freiburg

In 2 hours, you can reach Basel, Bern, Stuttgart, Luzern, Strasbourg, Mannheim, Karlsruhe, Mulhouse, Riehen, Heitersheim...

In 3 hours, you can reach Paris, Frankfurt am Main, Thun, Wiesbaden, Mainz, Bensheim, Esslingen(Neckar), Plochingen, Göppingen, Altdorf(CH)...

In 4 hours, you can reach Zürich, Düsseldorf, Dortmund, Duisburg, Wuppertal, Bonn, Augsburg, Singen(Hohentwiel), Radolfzell, Allensbach...

In 5 hours, you can reach Munich, Essen, Hannover, Bochum, Münster, Gelsenkirchen, Mönchengladbach, Oberhausen, Erfurt, Hagen...

In 6 hours, you can reach Milan, Köln, Leipzig, 's-Hertogenbosch, Bielefeld, Chur, Tours, Monza, Braunschweig, Halle (Saale)...

In 7 hours, you can reach Berlin, Hamburg, Bremen, Kiel, Rathenow, Berlin Südkreuz (S), Angouleme, Hamburg-Harburg, Berlin Südkreuz, Leipzig Messe...

In 8 hours, you can reach Eindhoven, Bordeaux, Arnhem, Zevenaar, Nienburg(Weser), Verden(Aller), Stendal Hbf.

In 9 hours, you can reach Utrecht, Zug, Riesa, Bitterfeld, Lutherstadt Wittenberg Hbf, Brandenburg Hbf, Potsdam Hbf, Berlin-Stresow, Berlin-Spandau, Arth-Goldau...

In 10+ hours, you can reach Amsterdam, Prague, Lugano, Ústí nad Labem, Dresden, Děčín, Bad Schandau, Offenbach(Main)Hbf, Schwerin Hbf, Rostock-Kassebohm...