How to get from Fontenay-Tresigny to Poissy by RER and bus?

From Fontenay-Tresigny to Poissy by RER and bus

To get from Fontenay-Tresigny to Poissy in Paris, you’ll need to take one bus line and 2 RER lines: take the 3123 bus from Mairie station to Gare de Tournan station. Next, you’ll have to switch to the E RER 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 50 min. The RER and bus schedule from Fontenay-Tresigny may change. We recommend you check the updated RER and bus schedule to Poissy on the Moovit app.

110min
Walk to bus station
Bus - 31233123
RER - E
RER - E
RER - A
RER - A
Leaves from Mairie

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Mairie
    350 m • 5 min
  • 2
    Bus - 31233123
    Wait for bus
    3123
    Lycée Clément Ader
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Tournan
    11 min
  • 4
    Walk to RER station
    Walk to RER station
    Tournan
    40 m • 1 min
  • 5
    RER - E
    Wait for RER
    E
    Nanterre-La-Folie
  • 6
    Ride to RER station
    Ride to RER station
    La Défense (Grande Arche)
    58 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

From Fontenay-Tresigny to Poissy by RER, bus and train

To get from Fontenay-Tresigny to Poissy in Paris, you’ll need to take one bus line, one RER line and one train line: take the 3123 bus from Mairie station to Gare de Tournan station. Next, you’ll have to switch to the E RER and finally take the J train from Gare Saint-Lazare station to Poissy station. The total trip duration for this route is approximately 2 hr 8 min. The RER and bus schedule from Fontenay-Tresigny may change. We recommend you check the updated RER and bus schedule to Poissy on the Moovit app.

128min
Walk to bus station
Bus - 31233123
RER - E
RER - E
Train - J
Train - J
Leaves from Mairie

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Mairie
    350 m • 5 min
  • 2
    Bus - 31233123
    Wait for bus
    3123
    Lycée Clément Ader
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Tournan
    11 min
  • 4
    Walk to RER station
    Walk to RER station
    Tournan
    40 m • 1 min
  • 5
    RER - E
    Wait for RER
    E
    Nanterre-La-Folie
  • 6
    Ride to RER station
    Ride to RER station
    Haussmann Saint-Lazare
    51 min
  • 7
    Walk to train station
    Walk to train station
    Gare Saint-Lazare
    120 m • 2 min
  • 8
    Train - J
    Wait for train
    J
    Vernon - Giverny
  • 9
    Ride to train station Poissy
    Ride to train station
    Poissy
    19 min
*Duration based on 8am traffic
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Public transit directions from Fontenay-Tresigny to Poissy

The distance between Fontenay-Tresigny, Paris and Poissy, Paris is approximately 78.36 km, which can typically be travelled in 110 min. Moovit will show you the directions from Fontenay-Tresigny to Poissy by RER and bus, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

RER And Bus schedule from Fontenay-Tresigny to Poissy

To check the RER and bus schedule from Fontenay-Tresigny to Poissy using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Fontenay-Tresigny) and destination (Poissy), then select the desired date and time of travel. Moovit will show all available RER and bus routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each RER and bus, 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 and bus schedules.

Related Routes

From Fontenay-Tresigny to Poissy by RER, bus and train

To get from Fontenay-Tresigny to Poissy in Paris, you’ll need to take one bus line, one RER line and one train line: take the 3123 bus from Mairie station to Gare de Tournan station. Next, you’ll have to switch to the E RER and finally take the J train from Gare Saint-Lazare station to Poissy station. The total trip duration for this route is approximately 2 hr 8 min. The RER and bus schedule from Fontenay-Tresigny may change. We recommend you check the updated RER and bus schedule to Poissy on the Moovit app.

128min
Walk to bus station
Bus - 31233123
RER - E
RER - E
Train - J
Train - J
Leaves from Mairie

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Mairie
    350 m • 5 min
  • 2
    Bus - 31233123
    Wait for bus
    3123
    Lycée Clément Ader
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Tournan
    11 min
  • 4
    Walk to RER station
    Walk to RER station
    Tournan
    40 m • 1 min
  • 5
    RER - E
    Wait for RER
    E
    Nanterre-La-Folie
  • 6
    Ride to RER station
    Ride to RER station
    Haussmann Saint-Lazare
    51 min
  • 7
    Walk to train station
    Walk to train station
    Gare Saint-Lazare
    120 m • 2 min
  • 8
    Train - J
    Wait for train
    J
    Vernon - Giverny
  • 9
    Ride to train station Poissy
    Ride to train station
    Poissy
    19 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Fontenay-Tresigny to Poissy?

    The fastest way takes 110 minutes, using Bus line 3123, RER line E, RER line A.

  • What is the alternative route to get from Fontenay-Tresigny to Poissy?

    The alternative route takes 128 minutes, using Bus line 3123, RER line E, Train line J.

  • Is there a direct bus between Fontenay-Tresigny and Poissy in Paris?

    No, you’ll have to take one bus line and 2 RER lines in total. The total travelling time is 1 hr 50 min.

  • Which bus line goes from Fontenay-Tresigny to Poissy in Paris?

    The 3123 bus line goes from Mairie station near Fontenay-Tresigny to Lycée Clément Ader station. From there you’ll have to take 2 RER lines till Lycée Clément Ader station near Poissy in Paris.

  • How long does it take to travel from Fontenay-Tresigny to Poissy in Paris by bus and RER?

    The total travel time between Fontenay-Tresigny and Poissy in Paris by bus and RER is about 1 hr 50 min.

  • Where do I get on the bus near Fontenay-Tresigny to get to Poissy in Paris?

    Get on the 3123 bus from the Mairie stop near Fontenay-Tresigny in Paris.

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

    Get off the bus at the Lycée Clément Ader station, which is closest to Poissy in Paris.

Popular Routes