Here are a few suggestions for your next trip from Leiden

In 2 hours, you can reach Amsterdam, Rotterdam, Antverpy, Haag.

In 3 hours, you can reach Brusel.

In 4 hours, you can reach Paříž.

In 5 hours, you can reach Londýn.

In 6 hours, you can reach Lucembursko, Hamburk, Lyon.

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

In 8 hours, you can reach Birmingham, Marseille, Ženeva, Mnichov.

In 9 hours, you can reach Curych, Liverpool.

In 10+ hours, you can reach Madrid, Řím, Budapešť, Varšava, Vídeň, Stockholm, Praha, Kodaň, Dublin, Záhřeb...