How to get from Croissy-Beaubourg to Champlan by RER and bus?

From Croissy-Beaubourg to Champlan by RER and bus

To get from Croissy-Beaubourg to Champlan in Paris, you’ll need to take one bus line and 2 RER lines: take the 321 bus from Table D'Orientation station to Gare de Torcy station. Next, you’ll have to switch to the A RER and finally take the B RER from Châtelet Les Halles station to Palaiseau station. The total trip duration for this route is approximately 1 hr 39 min. The RER and bus schedule from Croissy-Beaubourg may change. We recommend you check the updated RER and bus schedule to Champlan on the Moovit app.

99min
Walk to bus station
Bus - 321321
RER - A
RER - A
RER - B
RER - B
Walk to Champlan
Leaves from Table D'Orientation

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Table D'Orientation
    10 m • 1 min
  • 2
    Bus - 321321
    Wait for bus
    321
    Gare de Torcy
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Torcy
    9 min
  • 4
    Walk to RER station
    Walk to RER station
    Torcy
    40 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Poissy
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    31 min
  • 7
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 8
    Ride to RER station
    Ride to RER station
    Palaiseau
    27 min
  • 9
    Walk to Champlan
    Walk to
    Champlan
    1.71 km • 22 min
*Duration based on 8am traffic

Alternative route from Croissy-Beaubourg to Champlan by RER and bus via 421, A and B

To get from Croissy-Beaubourg to Champlan in Paris, you’ll need to take one bus line and 2 RER lines: take the 421 bus from Table D'Orientation station to Gare de Torcy station. Next, you’ll have to switch to the A RER and finally take the B RER from Châtelet Les Halles station to Palaiseau station. The total trip duration for this route is approximately 1 hr 43 min. The RER and bus schedule from Croissy-Beaubourg may change. We recommend you check the updated RER and bus schedule to Champlan on the Moovit app.

103min
Walk to bus station
Bus - 421421
RER - A
RER - A
RER - B
RER - B
Walk to Champlan
Leaves from Table D'Orientation

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Table D'Orientation
    10 m • 1 min
  • 2
    Bus - 421421
    Wait for bus
    421
    Gare de Torcy
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Torcy
    8 min
  • 4
    Walk to RER station
    Walk to RER station
    Torcy
    70 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Poissy
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    31 min
  • 7
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 8
    Ride to RER station
    Ride to RER station
    Palaiseau
    27 min
  • 9
    Walk to Champlan
    Walk to
    Champlan
    1.71 km • 22 min
*Duration based on 8am traffic
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Public transit directions from Croissy-Beaubourg to Champlan

The distance between Croissy-Beaubourg, Paris and Champlan, Paris is approximately 49.65 km, which can typically be travelled in 99 min. Moovit will show you the directions from Croissy-Beaubourg to Champlan 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 Croissy-Beaubourg to Champlan

To check the RER and bus schedule from Croissy-Beaubourg to Champlan using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Croissy-Beaubourg) and destination (Champlan), 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

Alternative route from Croissy-Beaubourg to Champlan by RER and bus via 421, A and B

To get from Croissy-Beaubourg to Champlan in Paris, you’ll need to take one bus line and 2 RER lines: take the 421 bus from Table D'Orientation station to Gare de Torcy station. Next, you’ll have to switch to the A RER and finally take the B RER from Châtelet Les Halles station to Palaiseau station. The total trip duration for this route is approximately 1 hr 43 min. The RER and bus schedule from Croissy-Beaubourg may change. We recommend you check the updated RER and bus schedule to Champlan on the Moovit app.

103min
Walk to bus station
Bus - 421421
RER - A
RER - A
RER - B
RER - B
Walk to Champlan
Leaves from Table D'Orientation

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Table D'Orientation
    10 m • 1 min
  • 2
    Bus - 421421
    Wait for bus
    421
    Gare de Torcy
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Torcy
    8 min
  • 4
    Walk to RER station
    Walk to RER station
    Torcy
    70 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Poissy
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    31 min
  • 7
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 8
    Ride to RER station
    Ride to RER station
    Palaiseau
    27 min
  • 9
    Walk to Champlan
    Walk to
    Champlan
    1.71 km • 22 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Croissy-Beaubourg to Champlan?

    The fastest way takes 99 minutes, using Bus line 321, RER line A, RER line B.

  • What is the alternative route to get from Croissy-Beaubourg to Champlan?

    The alternative route takes 103 minutes, using Bus line 421, RER line A, RER line B.

  • Is there a direct bus between Croissy-Beaubourg and Champlan in Paris?

    No, you’ll have to take one bus line and 2 RER lines in total. The total travelling time is 1 hr 39 min.

  • Which bus line goes from Croissy-Beaubourg to Champlan in Paris?

    The 321 bus line goes from Table D'Orientation station near Croissy-Beaubourg to Gare de Torcy station. From there you’ll have to take 2 RER lines till Gare de Torcy station near Champlan in Paris.

  • How long does it take to travel from Croissy-Beaubourg to Champlan in Paris by bus and RER?

    The total travel time between Croissy-Beaubourg and Champlan in Paris by bus and RER is about 1 hr 39 min.

  • Where do I get on the bus near Croissy-Beaubourg to get to Champlan in Paris?

    Get on the 321 bus from the Table D'Orientation stop near Croissy-Beaubourg in Paris.

  • Where do I get off the bus when travelling between Croissy-Beaubourg and Champlan in Paris?

    Get off the bus at the Gare de Torcy station, which is closest to Champlan in Paris.

Popular Routes