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How to get from Guyancourt to Poissy by RER, bus and train?

Guyancourt to Poissy - Bus Schedule

The 5151 bus from Guyancourt to Poissy runs from 05:43 to 22:32, with departures every 20-40 min. The trip takes about 1 hr 41 min, with regular service throughout the operating hours.

From Guyancourt to Poissy by RER, bus and train

To get from Guyancourt to Poissy in Paris, you’ll need to take one bus line, one train line and one RER line: take the 5151 bus from Villaroy station to Saint-Quentin - Gare Routière Des Prés station. Next, you’ll have to switch to the U train and finally take the A RER from La Défense (Grande Arche) station to Poissy station. The total trip duration for this route is approximately 1 hr 41 min. The RER, bus and train schedule from Guyancourt may change. We recommend you check the updated RER, bus and train schedule to Poissy on the Moovit app.

101min
Walk to bus station
Bus - 51515151
Train - U
Train - U
RER - A
RER - A
Leaves from Villaroy

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Villaroy
    1.08 km • 14 min
  • 2
    Bus - 51515151
    Wait for bus
    5151
    Saint-Quentin - Gare Routière Des Prés
  • 3
    Ride to bus station
    Ride to bus station
    Saint-Quentin - Gare Routière Des Prés
    19 min
  • 4
    Walk to train station
    Walk to train station
    Saint-Quentin En Yvelines - Montigny-Le-Bretonneux
    100 m • 2 min
  • 5
    Train - U
    Wait for train
    U
    La Défense
  • 6
    Ride to train station
    Ride to train station
    La Défense (Grande Arche)
    32 min
  • 7
    RER - A
    Wait for RER
    A
    Poissy
  • 8
    Ride to RER station Poissy
    Ride to RER station
    Poissy
    23 min
*Duration based on 8am traffic
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Public transit directions from Guyancourt to Poissy

The distance between Guyancourt, Paris and Poissy, Paris is approximately 48.97 km, which can typically be travelled in 101 min. Moovit will show you the directions from Guyancourt to Poissy by RER, bus and train, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

RER, Bus And Train schedule from Guyancourt to Poissy

To check the RER, bus and train schedule from Guyancourt to Poissy using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Guyancourt) and destination (Poissy), then select the desired date and time of travel. Moovit will show all available RER, bus and train routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each RER, bus and train, as well as real-time updates for delays or changes. Use this information to plan your trip and stay up to date with the latest RER, bus and train schedules.

Questions & Answers

  • What is the fastest way to get from Guyancourt to Poissy?

    The fastest way takes 101 minutes, using Bus line 5151, Train line U, RER line A.

  • Is there a direct bus between Guyancourt and Poissy in Paris?

    No, you’ll have to take one bus line, one train line and one RER line in total. The total travelling time is 1 hr 41 min.

  • Which bus line goes from Guyancourt to Poissy in Paris?

    The 5151 bus line goes from Villaroy station near Guyancourt to Saint-Quentin - Gare Routière Des Prés station. From there you’ll have to take one train line and one RER line till Saint-Quentin - Gare Routière Des Prés station near Poissy in Paris.

  • How long does it take to travel from Guyancourt to Poissy in Paris by bus, train and RER?

    The total travel time between Guyancourt and Poissy in Paris by bus, train and RER is about 1 hr 41 min.

  • Where do I get on the bus near Guyancourt to get to Poissy in Paris?

    Get on the 5151 bus from the Villaroy stop near Guyancourt in Paris.

  • Where do I get off the bus when travelling between Guyancourt and Poissy in Paris?

    Get off the bus at the Saint-Quentin - Gare Routière Des Prés station, which is closest to Poissy in Paris.