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

From Croissy-Sur-Seine to Champlan by RER and bus

To get from Croissy-Sur-Seine to Champlan in Paris, you’ll need to take one bus line and 2 RER lines: take the 6421 bus from Patte D'Oie station to Gare de Chatou - Croissy 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 46 min. The RER and bus schedule from Croissy-Sur-Seine may change. We recommend you check the updated RER and bus schedule to Champlan on the Moovit app.

106min
Walk to bus station
Bus - 64216421
RER - A
RER - A
RER - B
RER - B
Walk to Champlan
Leaves from Patte D'Oie

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Patte D'Oie
    60 m • 1 min
  • 2
    Bus - 64216421
    Wait for bus
    6421
    Gare de Chatou - Croissy
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Chatou - Croissy
    8 min
  • 4
    Walk to RER station
    Walk to RER station
    Chatou - Croissy
    50 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Marne-La-Vallée - Chessy
  • 6
    Ride to RER station
    Ride to RER station
    Châtelet - Les Halles
    22 min
  • 7
    RER - B
    Wait for RER
    B
    Orsay - Ville
  • 8
    Ride to RER station
    Ride to RER station
    Palaiseau
    36 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-Sur-Seine to Champlan

The distance between Croissy-Sur-Seine, Paris and Champlan, Paris is approximately 39.99 km, which can typically be travelled in 106 min. Moovit will show you the directions from Croissy-Sur-Seine 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-Sur-Seine to Champlan

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

    The fastest way takes 106 minutes, using Bus line 6421, RER line A, RER line B.

  • Is there a direct bus between Croissy-Sur-Seine 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 46 min.

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

    The 6421 bus line goes from Patte D'Oie station near Croissy-Sur-Seine to Gare de Chatou - Croissy station. From there you’ll have to take 2 RER lines till Gare de Chatou - Croissy station near Champlan in Paris.

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

    The total travel time between Croissy-Sur-Seine and Champlan in Paris by bus and RER is about 1 hr 46 min.

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

    Get on the 6421 bus from the Patte D'Oie stop near Croissy-Sur-Seine in Paris.

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

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

Popular Routes