The average bus between Guyancourt and RER A - Torcy (RATP) takes 3h 41m and the fastest bus takes 3h 2m. There is a bus service every few hours from Guyancourt to RER A - Torcy (RATP). 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 every 2 hours between Guyancourt and RER A - Torcy (RATP). The earliest departure is at 5:43 AM in the morning, and the last departure from Guyancourt is at 9:15 PM which arrives into RER A - Torcy (RATP) at 6:40 AM. All services require a transfer at Vélizy 2 and take an average of 3h 41m. The schedules shown below are for the next available departures.



3h 23m • 3 changes



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3h 9m • 3 changes



3h 32m • 3 changes



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3h 28m • 3 changes



3h 2m • 3 changes



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3h 28m • 3 changes



3h 2m • 3 changes



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3h 4m • 3 changes



3h 28m • 3 changes
Want to know about travelling from Guyancourt to RER A - Torcy (RATP)? 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 Guyancourt to RER A - Torcy (RATP). However, there are services departing from Guyancourt station and arriving at RER A - Torcy (RATP) station via Bourg-la-Reine RER. The journey, including transfers, takes approximately 3h 41m.
Guyancourt to RER A - Torcy (RATP) bus services, operated by Lignes Île-de-France Ouest, depart from Vélizy 2 station.
Guyancourt to RER A - Torcy (RATP) bus services, operated by Lignes Île-de-France Ouest, arrive at Gare de Torcy station.
The distance between Guyancourt and RER A - Torcy (RATP) is 43.1 km. The road distance is 60 km.
You can take a bus from Dampierre to Gare de Torcy via Vélizy 2, Bourg-la-Reine RER, and Créteil - L'Échat in around 3h 25m.