Here are a few suggestions for your next trip from Mainz

In 4 hours, you can reach París, Bruselas, Luxemburgo, Esch-sur-Alzette.

In 5 hours, you can reach Berlín, Ámsterdam, Zúrich, Hamburgo, Róterdam, Amberes.

In 6 hours, you can reach Schaan, Vaduz.

In 7 hours, you can reach Londres, Ginebra.

In 8 hours, you can reach Viena, Praga, Milán, Marsella.

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

In 10+ hours, you can reach Madrid, Roma, Bucarest, Budapest, Varsovia, Estocolmo, Copenhague, Dublín, Zagreb, Liubliana...