The average train between Trappes and Marly-le-Roi takes 32 min and the fastest train takes 28 min. There is a train service every few hours from Trappes to Marly-le-Roi. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Trappes and Marly-le-Roi. The earliest departure is at 5:31 AM in the morning, and the last departure from Trappes is at 7:56 PM which arrives into Marly-le-Roi at 8:36 PM. All services require a transfer at Saint-Cyr and take an average of 32 min. The schedules shown below are for the next available departures.

45 min • 1 change

34 min • 1 change

30 min • 1 change

29 min • 1 change
Want to know about travelling from Trappes to Marly-le-Roi? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Trappes to Marly-le-Roi. However, there are services departing from Trappes station and arriving at Marly-le-Roi station via Saint-Cyr. The journey, including transfers, takes approximately 32 min.
Trappes to Marly-le-Roi train services, operated by Transilien – SNCF Voyageurs, depart from Trappes station.
Trappes to Marly-le-Roi train services, operated by Transilien – SNCF Voyageurs, arrive at L'Etang - Les Sablons station.
The distance between Trappes and Marly-le-Roi is 11.4 km. The road distance is 16 km.
You can take a train from Trappes to L'Étang-la-Ville via Saint-Cloud in around 56 min.