Here are a few suggestions for your next trip from Titisee

In 2 hours, you can reach Basel, Strasbourg.

In 3 hours, you can reach Zürich, Bern, Stuttgart, Luzern, Biel/Bienne.

In 4 hours, you can reach Luxembourg, Paris, Dudelange, Köln, Schifflange, Frankfurt am Main, Bettembourg, Winterthur, Sankt Gallen, Merl...

In 5 hours, you can reach Schaan, Vaduz, Esch-sur-Alzette, Genève, Munich, Triesen, Lyon, Lausanne, Eschen.