The average train between Chatou and Massy takes 1h 3m and the fastest train takes 53 min. The train runs at least 4 times per hour from Chatou to Massy. 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 15 minutes between Chatou and Massy. The earliest departure is at 12:06 AM at night, and the last departure from Chatou is at 11:36 PM which arrives into Massy at 12:34 AM. All services require a transfer, and take on average 1h 3m. The schedules shown below are for the next available departures.

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1h 4m • 1 changeWant to know about travelling from Chatou to Massy? 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 Chatou to Massy. However, there are services departing from Chatou - Croissy station and arriving at Massy - Verrières station via Châtelet - Les Halles station. The journey, including transfers, takes approximately 1h 3m.
Chatou to Massy train services, operated by Réseau Express Régional (RER Paris), depart from Chatou - Croissy station.
Chatou to Massy train services, operated by Réseau Express Régional (RER Paris), arrive at Massy - Verrières station.
The distance between Chatou and Massy is 20.3 km. The road distance is 26 km.
You can take a train from Chatou - Croissy to Massy - Verrières via Châtelet - Les Halles in around 1h 3m.