Here are a few suggestions for your next trip from Ergenzingen

In 2 hours, you can reach Stuttgart.

In 3 hours, you can reach Zürich, Munich, Frankfurt am Main, Winterthur, Strasbourg, Sankt Gallen, Nürnberg.

In 4 hours, you can reach Basel, Köln, Bern, Düsseldorf, Luzern, Essen.

In 5 hours, you can reach Luxembourg, Paris, Schaan, Vaduz, Esch-sur-Alzette, Triesen, Dudelange, Schifflange, Eschen, Liège...