Here are a few suggestions for your next trip from Leiden

In 2 hours, you can reach Amsterdam, Rotterdam, Anvers, Haga.

In 3 hours, you can reach Bruxelles.

In 4 hours, you can reach Paris.

In 5 hours, you can reach Londra.

In 6 hours, you can reach Luxemburg, Hamburg, Lyon.

In 7 hours, you can reach Berlin, Esch-sur-Alzette.

In 8 hours, you can reach Birmingham, Marsilia, Geneva, München.

In 9 hours, you can reach Zürich, Liverpool.

In 10+ hours, you can reach Madrid, Roma, Budapesta, Varșovia, Viena, Stockholm, Praga, Copenhaga, Dublin, Zagreb...