How to get from Guerard to Champlan by RER and bus?

From Guerard to Champlan by RER and bus

To get from Guerard to Champlan in Paris, you’ll need to take one bus line and 2 RER lines: take the 2423 bus from Courtry Château D'Eau station to Chessy Sud - Quai A 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 2 hr 27 min. The RER and bus schedule from Guerard may change. We recommend you check the updated RER and bus schedule to Champlan on the Moovit app.

147min
Walk to bus station
Bus - 24232423
RER - A
RER - A
RER - B
RER - B
Walk to Champlan
Leaves from Courtry Château D'Eau

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Courtry Château D'Eau
    10 m • 1 min
  • 2
    Bus - 24232423
    Wait for bus
    2423
    Chessy Sud - Quai A
  • 3
    Ride to bus station
    Ride to bus station
    Chessy Sud - Quai A
    37 min
  • 4
    Walk to RER station
    Walk to RER station
    Marne-La-Vallée - Chessy
    260 m • 4 min
  • 5
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet - Les Halles
    39 min
  • 7
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 8
    Ride to RER station
    Ride to RER station
    Palaiseau
    28 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 Guerard to Champlan

The distance between Guerard, Paris and Champlan, Paris is approximately 80.23 km, which can typically be travelled in 147 min. Moovit will show you the directions from Guerard 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 Guerard to Champlan

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

Questions & Answers

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

    The fastest way takes 147 minutes, using Bus line 2423, RER line A, RER line B.

  • Is there a direct bus between Guerard and Champlan in Paris?

    No, you’ll have to take one bus line and 2 RER lines in total. The total travelling time is 2 hr 27 min.

  • Which bus line goes from Guerard to Champlan in Paris?

    The 2423 bus line goes from Courtry Château D'Eau station near Guerard to Chessy Sud - Quai A station. From there you’ll have to take 2 RER lines till Chessy Sud - Quai A station near Champlan in Paris.

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

    The total travel time between Guerard and Champlan in Paris by bus and RER is about 2 hr 27 min.

  • Where do I get on the bus near Guerard to get to Champlan in Paris?

    Get on the 2423 bus from the Courtry Château D'Eau stop near Guerard in Paris.

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

    Get off the bus at the Chessy Sud - Quai A station, which is closest to Champlan in Paris.

Popular Routes