Here are a few suggestions for your next trip from Horb

In 2 hours, you can reach Stuttgart, Schaffhausen, Plochingen, Waiblingen, Winnenden, Backnang, Oppenweiler(Württ), Sulzbach(Murr), Ludwigsburg, Oberglatt...

In 3 hours, you can reach Frankfurt am Main, Mannheim, Augsburg, Murrhardt, Gaildorf West, Weinheim(Bergstr)Hbf, Hausen i Tal, Sigmaringen, Mengen, Herbertingen...

In 4 hours, you can reach Munich, Rottenacker, München-Pasing, Allmendingen, Riedlingen, Munderkingen, Ehingen(Donau), Schelklingen, Blaubeuren, Ulm Hbf...

In 6 hours, you can reach Zürich.