The average train between Massy and Poissy takes 1h 13m and the fastest train takes 1h 4m. The train runs at least 2 times per hour from Massy to Poissy. 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 every 30 minutes between Massy and Poissy. The earliest departure is at 12:05 AM at night, and the last departure from Massy is at 11:58 PM which arrives into Poissy at 1:13 AM. All services require a transfer, and take on average 1h 13m. The schedules shown below are for the next available departures.

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1h 13m • 1 changeWant to know about travelling from Massy to Poissy? 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 Massy to Poissy. However, there are services departing from Massy - Verrières station and arriving at Poissy station via Châtelet - Les Halles station. The journey, including transfers, takes approximately 1h 13m.
Massy to Poissy train services, operated by Réseau Express Régional (RER Paris), depart from Massy - Verrières station.
Massy to Poissy train services, operated by Réseau Express Régional (RER Paris), arrive at Poissy station.
The distance between Massy and Poissy is 28.2 km. The road distance is 37 km.
You can take a train from Massy - Verrières to Poissy via Châtelet - Les Halles in around 1h 17m.