When travelling by train, never forget to keep your ticket with you: make sure to print it out in advance or to download the mobile version if allowed.
When travelling on such short distances, you can take into account also busses and carpooling options: with some luck you will find very cheap options, even if you book on short notice.
Which stations do the trains to Olen leave from?
You can take the train to Olen at Gand-Saint-Pierre / Gent-Sint-Pieters, which arrives at Olen.
What time do the trains to Olen leave and how long is the journey?
With the fastest connections you will be in Olen in 1 hour and 38 minutes, but on average it takes 1 hour and 43 minutes. The first train headed to Olen is at 19:12, while the last one leaves Ghent at 22:12.