How to get from Champlan to Poissy by RER?

From Champlan to Poissy by RER

To get from Champlan to Poissy in Paris, take the B RER from Palaiseau station to Châtelet Les Halles station. Next, take the A RER from Châtelet Les Halles station to Poissy station. The total trip duration for this route is approximately 1 hr 37 min. The RER schedule from Champlan may change. We recommend you check the updated RER schedule to Poissy on the Moovit app.

97min
Walk to RER stationRER - B
RER - B
RER - A
RER - A
Leaves from Palaiseau

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Palaiseau
    1.71 km • 22 min
  • 2
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    35 min
  • 4
    RER - A
    Wait for RER
    A
    Poissy
  • 5
    Ride to RER station Poissy
    Ride to RER station
    Poissy
    34 min
*Duration based on 8am traffic

From Champlan to Poissy by bus

To get from Champlan to Poissy in Paris, you’ll need to take 3 bus lines: take the 199 bus from Butte Chaumont station to Palaiseau Ville station. Next, you’ll have to switch to the 9111 bus and finally take the 7816 bus from Saint-Quentin - Gare Routière Paul Delouvrier station to Gare Routière Nord (A3) station. The total trip duration for this route is approximately 1 hr 52 min. The RER schedule from Champlan may change. We recommend you check the updated RER schedule to Poissy on the Moovit app.

112min
Walk to bus stationBus - 199
Bus - 199
Bus - 91119111
Bus - 78167816
Walk to Poissy
Leaves from Butte Chaumont

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Butte Chaumont
    20 m • 1 min
  • 2
    Bus - 199
    Wait for bus
    199
    Hôpital Paris-Saclay
  • 3
    Ride to bus station
    Ride to bus station
    Palaiseau Ville
    12 min
  • 4
    Bus - 91119111
    Wait for bus
    9111
    Saint-Quentin - Gare Routière Des Prés - Dépose
  • 5
    Ride to bus station
    Ride to bus station
    Saint-Quentin - Gare Routière Des Prés - Dépose
    55 min
  • 6
    Walk to bus station
    Walk to bus station
    Saint-Quentin - Gare Routière Paul Delouvrier
    320 m • 5 min
  • 7
    Bus - 78167816
    Wait for bus
    7816
    Gare de Cergy Préfecture - Quai O
  • 8
    Ride to bus station
    Ride to bus station
    Gare Routière Nord (A3)
    24 min
  • 9
    Walk to Poissy
    Walk to
    Poissy
    80 m • 2 min
*Duration based on 8am traffic
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Public transit directions from Champlan to Poissy

The distance between Champlan, Paris and Poissy, Paris is approximately 48.94 km, which can typically be travelled in 97 min. Moovit will show you the directions from Champlan to Poissy by RER, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

RER schedule from Champlan to Poissy

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

Related Routes

From Champlan to Poissy by bus

To get from Champlan to Poissy in Paris, you’ll need to take 3 bus lines: take the 199 bus from Butte Chaumont station to Palaiseau Ville station. Next, you’ll have to switch to the 9111 bus and finally take the 7816 bus from Saint-Quentin - Gare Routière Paul Delouvrier station to Gare Routière Nord (A3) station. The total trip duration for this route is approximately 1 hr 52 min. The RER schedule from Champlan may change. We recommend you check the updated RER schedule to Poissy on the Moovit app.

112min
Walk to bus stationBus - 199
Bus - 199
Bus - 91119111
Bus - 78167816
Walk to Poissy
Leaves from Butte Chaumont

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Butte Chaumont
    20 m • 1 min
  • 2
    Bus - 199
    Wait for bus
    199
    Hôpital Paris-Saclay
  • 3
    Ride to bus station
    Ride to bus station
    Palaiseau Ville
    12 min
  • 4
    Bus - 91119111
    Wait for bus
    9111
    Saint-Quentin - Gare Routière Des Prés - Dépose
  • 5
    Ride to bus station
    Ride to bus station
    Saint-Quentin - Gare Routière Des Prés - Dépose
    55 min
  • 6
    Walk to bus station
    Walk to bus station
    Saint-Quentin - Gare Routière Paul Delouvrier
    320 m • 5 min
  • 7
    Bus - 78167816
    Wait for bus
    7816
    Gare de Cergy Préfecture - Quai O
  • 8
    Ride to bus station
    Ride to bus station
    Gare Routière Nord (A3)
    24 min
  • 9
    Walk to Poissy
    Walk to
    Poissy
    80 m • 2 min
*Duration based on 8am traffic

Questions & Answers

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

    The fastest way takes 97 minutes, using RER line B, RER line A.

  • What is the alternative route to get from Champlan to Poissy?

    The alternative route takes 112 minutes, using Bus line 199, Bus line 9111, Bus line 7816.

  • Is there a direct RER between Champlan and Poissy in Paris?

    No, you’ll have to take 2 RER lines in total. The total travelling time is 1 hr 37 min.

  • Which RER line goes from Champlan to Poissy in Paris?

    The B RER line goes from Palaiseau station near Champlan to Aéroport Charles de Gaulle 2 (Terminal 2) station. From there you’ll have to take one RER line till Aéroport Charles de Gaulle 2 (Terminal 2) station near Poissy in Paris.

  • How long does it take to travel from Champlan to Poissy in Paris by RER?

    The total travel time between Champlan and Poissy in Paris by RER is about 1 hr 37 min.

  • Where do I get on the RER near Champlan to get to Poissy in Paris?

    Get on the B RER from the Palaiseau station near Champlan in Paris.

  • Where do I get off the RER when travelling between Champlan and Poissy in Paris?

    Get off the RER at the Aéroport Charles de Gaulle 2 (Terminal 2) station, which is closest to Poissy in Paris.

Popular Routes