Here are a few suggestions for your next trip from Guben

In 2 hours, you can reach Berlin, Zielona Góra, Fürstenwalde(Spree), Hangelsberg, Fangschleuse, Laski Odrzanskie, Nietkow, Czerwiensk, Finsterwalde(Niederlausitz), Drebkau...

In 3 hours, you can reach Dresden, Leipzig, Herzberg(Elster), Taucha(Leipzig), Brandenburg Hbf, Kirchmöser, Wusterwitz, Genthin, Doberschütz, Eilenburg Ost...

In 4 hours, you can reach Magdeburg, Güsen(b Genthin), Burg(Magdeburg).