Here are a few suggestions for your next trip from Heidenheim

In 2 hours, you can reach Munich, Stuttgart, Nürnberg.

In 3 hours, you can reach Frankfurt am Main, Strasbourg.

In 4 hours, you can reach Schaan, Vaduz, Triesen, Basel, Köln, Eschen, Mauren, Winterthur, Salzburg, Ruggell...

In 5 hours, you can reach Berlin, Paris, Luxembourg, Zürich, Dudelange, Schifflange, Bettembourg, Düsseldorf, Innsbruck, Merl...