How to get from Rosny-Sous-Bois to Champlan by RER?

From Rosny-Sous-Bois to Champlan by RER

To get from Rosny-Sous-Bois to Champlan in Paris, you’ll need to take 3 RER lines: take the E RER from Rosny-Sous-Bois station to Val de Fontenay 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 25 min. The RER schedule from Rosny-Sous-Bois may change. We recommend you check the updated RER schedule to Champlan on the Moovit app.

85min
Walk to RER stationRER - E
RER - E
RER - A
RER - A
RER - B
RER - B
Walk to Champlan
Leaves from Rosny-Sous-Bois

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Rosny-Sous-Bois
    220 m • 3 min
  • 2
    RER - E
    Wait for RER
    E
    Villiers-Sur-Marne - Le Plessis-Trévise
  • 3
    Ride to RER station
    Ride to RER station
    Val de Fontenay
    2 min
  • 4
    RER - A
    Wait for RER
    A
    Cergy Le Haut
  • 5
    Ride to RER station
    Ride to RER station
    Châtelet - Les Halles
    14 min
  • 6
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 7
    Ride to RER station
    Ride to RER station
    Palaiseau
    27 min
  • 8
    Walk to Champlan
    Walk to
    Champlan
    1.71 km • 22 min
*Duration based on 8am traffic
The Most Popular Urban Mobility App in Paris.
All local mobility options in one app

Public transit directions from Rosny-Sous-Bois to Champlan

The distance between Rosny-Sous-Bois, Paris and Champlan, Paris is approximately 35.31 km, which can typically be travelled in 85 min. Moovit will show you the directions from Rosny-Sous-Bois 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 Rosny-Sous-Bois to Champlan

To check the RER schedule from Rosny-Sous-Bois to Champlan using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Rosny-Sous-Bois) 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 Rosny-Sous-Bois to Champlan?

    The fastest way takes 85 minutes, using RER line E, RER line A, RER line B.

  • Is there a direct RER between Rosny-Sous-Bois and Champlan in Paris?

    No, you’ll have to take 3 RER lines in total. The total travelling time is 1 hr 25 min.

  • Which RER line goes from Rosny-Sous-Bois to Champlan in Paris?

    The E RER line goes from Rosny-Sous-Bois station near Rosny-Sous-Bois to Val de Fontenay station. From there you’ll have to take one RER line till Val de Fontenay station near Champlan in Paris.

  • How long does it take to travel from Rosny-Sous-Bois to Champlan in Paris by RER?

    The total travel time between Rosny-Sous-Bois and Champlan in Paris by RER is about 1 hr 25 min.

  • Where do I get on the RER near Rosny-Sous-Bois to get to Champlan in Paris?

    Get on the E RER from the Rosny-Sous-Bois station near Rosny-Sous-Bois in Paris.

  • Where do I get off the RER when travelling between Rosny-Sous-Bois and Champlan in Paris?

    Get off the RER at the Val de Fontenay station, which is closest to Champlan in Paris.

Popular Routes