Madison Parker International BV, Koningin Julianalaan 351 A, 2273 JJ Voorburg, The Netherlands
There are frequent train connections to Den Haag Centraal from Amsterdam, Utrecht and Rotterdam.
Direct trains from Amsterdam Centraal are departing every 30 min and the train journey takes approx. 50 minutes.
There is an Intercity running between Utrecht Centraal and Den Haag Centraal which departs every 15 min. The journey takes approx. 40 minutes.
Intercity trains from Rotterdam Centraal are running every 30 min and it takes you approx. 25-30 min to get to Den Haag Centraal.
For train schedules please check NS.
Information is also available in English on NS (English page).