Here are a few suggestions for your next trip from Leiden

In 2 hours, you can reach Ámsterdam, Róterdam, Amberes, La Haya.

In 3 hours, you can reach Bruselas.

In 4 hours, you can reach París.

In 5 hours, you can reach Londres.

In 6 hours, you can reach Luxemburgo, Hamburgo, Lyon.

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

In 8 hours, you can reach Birmingham, Marsella, Ginebra, Múnich.

In 9 hours, you can reach Zúrich, Liverpool.

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