The average bus between Poissy and Institut Gustave Roussy takes 2h 37m and the fastest bus takes 1h 44m. There is a bus service every few hours from Poissy to Institut Gustave Roussy. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Poissy and Institut Gustave Roussy. The earliest departure is at 6:05 AM in the morning, and the last departure from Poissy is at 9:38 PM which arrives into Institut Gustave Roussy at 6:54 AM. All services require a transfer at Saint-Quentin - Gare P. Delouvrier P and take an average of 2h 37m. The schedules shown below are for the next available departures.


1h 50m • 2 changes


1h 49m • 2 changes


2h 15m • 2 changes


2h 13m • 2 changes


1h 50m • 2 changes


1h 49m • 2 changes


2h 15m • 2 changes


2h 13m • 2 changes


2h 32m • 2 changes


2h 16m • 2 changes


2h • 2 changes


1h 58m • 2 changes
Want to know about travelling from Poissy to Institut Gustave Roussy? 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 bus from Poissy to Institut Gustave Roussy. However, there are services departing from Poissy station and arriving at Institut Gustave Roussy station via Saint-Quentin - Gare routière Paul Delouvrier. The journey, including transfers, takes approximately 2h 37m.
Poissy to Institut Gustave Roussy bus services, operated by Lignes Île-de-France Ouest, depart from Gare Routière Nord station.
Poissy to Institut Gustave Roussy bus services, operated by Lignes Île-de-France Ouest, arrive at Institut Gustave Roussy - Hautes Bruyères station.
The distance between Poissy and Institut Gustave Roussy is 26.5 km. The road distance is 54 km.
You can take a bus from Gare Routière Nord to Institut Gustave Roussy via Saint-Quentin - Gare P. Delouvrier P, Parc André Malraux, Général de Gaulle, and Institut Gustave Roussy - Hautes Bruyères in around 2h 8m.