Here are a few suggestions for your next trip from Sulmingen

In 3 hours, you can reach Munich, Mauren, Stuttgart, Schellenberg.

In 4 hours, you can reach Schaan, Zürich, Vaduz, Basel, Triesen, Eschen, Frankfurt am Main, Winterthur, Strasbourg, Sankt Gallen...

In 5 hours, you can reach Köln, Bern, Salzburg, Luzern, Düsseldorf, Innsbruck.

In 6 hours, you can reach Luxembourg, Paris, Esch-sur-Alzette, Dudelange, Linz, Schifflange.