Here are a few suggestions for your next trip from Freiburg

In 2 hours, you can reach Zúrich.

In 4 hours, you can reach París, Luxemburgo, Schaan, Ginebra, Esch-sur-Alzette, Vaduz, Lyon.

In 5 hours, you can reach Bruselas, Múnich.

In 6 hours, you can reach Londres, Ámsterdam, Hamburgo, Milán, Marsella, Róterdam, Amberes.

In 7 hours, you can reach Berlín.

In 9 hours, you can reach Roma, Viena, Birmingham.

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