How to get from Montesson to Champlan by RER?

From Montesson to Champlan by RER

To get from Montesson to Champlan in Paris, take the A RER from Le Vésinet - Le Pecq station to Châtelet Les Halles station. Next, take the B RER from Châtelet Les Halles station to Palaiseau station. The total trip duration for this route is approximately 1 hr 40 min. The RER schedule from Montesson may change. We recommend you check the updated RER schedule to Champlan on the Moovit app.

100min
Walk to RER stationRER - A
RER - A
RER - B
RER - B
Walk to Champlan
Leaves from Le Vésinet - Le Pecq

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Le Vésinet - Le Pecq
    960 m • 13 min
  • 2
    RER - A
    Wait for RER
    A
    Boissy-Saint-Léger
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    26 min
  • 4
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 5
    Ride to RER station
    Ride to RER station
    Palaiseau
    27 min
  • 6
    Walk to Champlan
    Walk to
    Champlan
    1.71 km • 22 min
*Duration based on 8am traffic
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Public transit directions from Montesson to Champlan

The distance between Montesson, Paris and Champlan, Paris is approximately 41.34 km, which can typically be travelled in 100 min. Moovit will show you the directions from Montesson to Champlan by RER, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

RER schedule from Montesson to Champlan

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

Questions & Answers

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

    The fastest way takes 100 minutes, using RER line A, RER line B.

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

    No, you’ll have to take 2 RER lines in total. The total travelling time is 1 hr 40 min.

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

    The A RER line goes from Le Vésinet - Le Pecq station near Montesson to Boissy-Saint-Léger station. From there you’ll have to take one RER line till Boissy-Saint-Léger station near Champlan in Paris.

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

    The total travel time between Montesson and Champlan in Paris by RER is about 1 hr 40 min.

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

    Get on the A RER from the Le Vésinet - Le Pecq station near Montesson in Paris.

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

    Get off the RER at the Boissy-Saint-Léger station, which is closest to Champlan in Paris.

Popular Routes