Here are a few suggestions for your next trip from Mainz

In 4 hours, you can reach Paris, Bruxelles, Luxembourg, Esch-sur-Alzette.

In 5 hours, you can reach Berlin, Amsterdam, Zurich, Hambourg, Rotterdam, Anvers.

In 6 hours, you can reach Schaan, Vaduz.

In 7 hours, you can reach Londres, Genève.

In 8 hours, you can reach Vienne, Prague, Milan, Marseille.

In 9 hours, you can reach Bratislava, Birmingham, Brno.

In 10+ hours, you can reach Madrid, Rome, Bucarest, Budapest, Varsovie, Stockholm, Copenhague, Dublin, Zagreb, Ljubljana...