How to get from Saint-Germain-Les-Arpajon to Boissy-Le-Sec by RER and bus?

From Saint-Germain-Les-Arpajon to Boissy-Le-Sec by RER and bus

To get from Saint-Germain-Les-Arpajon to Boissy-Le-Sec in Paris, you’ll need to take one RER line and 2 bus lines: take the C RER from Brétigny station to Chamarande station. Next, you’ll have to switch to the 4438 bus and finally take the 4414 bus from Bois Fourgon station to Le Rotoir station. The total trip duration for this route is approximately 2 hr 46 min. The RER and bus schedule from Saint-Germain-Les-Arpajon may change. We recommend you check the updated RER and bus schedule to Boissy-Le-Sec on the Moovit app.

166min
Walk to RER stationRER - C
RER - C
Bus - 44384438
Bus - 44144414
Leaves from Brétigny

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Brétigny
    1.99 km • 26 min
  • 2
    RER - C
    Wait for RER
    C
    Saint-Martin D'Étampes
  • 3
    Ride to RER station
    Ride to RER station
    Chamarande
    15 min
  • 4
    Walk to bus station
    Walk to bus station
    Route de Torfou
    770 m • 10 min
  • 5
    Bus - 44384438
    Wait for bus
    4438
    Gare D'Etrechy
  • 6
    Ride to bus station
    Ride to bus station
    Bois Fourgon
    38 min
  • 7
    Walk to bus station
    Walk to bus station
    Bois Fourgon
    20 m • 1 min
  • 8
    Bus - 44144414
    Wait for bus
    4414
    Gare D'Étampes
  • 9
    Ride to bus station Le Rotoir
    Ride to bus station
    Le Rotoir
    8 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 Saint-Germain-Les-Arpajon to Boissy-Le-Sec

The distance between Saint-Germain-Les-Arpajon, Paris and Boissy-Le-Sec, Paris is approximately 43.68 km, which can typically be travelled in 166 min. Moovit will show you the directions from Saint-Germain-Les-Arpajon to Boissy-Le-Sec 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 Saint-Germain-Les-Arpajon to Boissy-Le-Sec

To check the RER and bus schedule from Saint-Germain-Les-Arpajon to Boissy-Le-Sec using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Saint-Germain-Les-Arpajon) and destination (Boissy-Le-Sec), 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 Saint-Germain-Les-Arpajon to Boissy-Le-Sec?

    The fastest way takes 166 minutes, using RER line C, Bus line 4438, Bus line 4414.

  • Is there a direct RER between Saint-Germain-Les-Arpajon and Boissy-Le-Sec in Paris?

    No, you’ll have to take one RER line and 2 bus lines in total. The total travelling time is 2 hr 46 min.

  • Which RER line goes from Saint-Germain-Les-Arpajon to Boissy-Le-Sec in Paris?

    The C RER line goes from Brétigny station near Saint-Germain-Les-Arpajon to Saint-Martin D'Étampes station. From there you’ll have to take 2 bus lines till Saint-Martin D'Étampes station near Boissy-Le-Sec in Paris.

  • How long does it take to travel from Saint-Germain-Les-Arpajon to Boissy-Le-Sec in Paris by RER and bus?

    The total travel time between Saint-Germain-Les-Arpajon and Boissy-Le-Sec in Paris by RER and bus is about 2 hr 46 min.

  • Where do I get on the RER near Saint-Germain-Les-Arpajon to get to Boissy-Le-Sec in Paris?

    Get on the C RER from the Brétigny station near Saint-Germain-Les-Arpajon in Paris.

  • Where do I get off the RER when travelling between Saint-Germain-Les-Arpajon and Boissy-Le-Sec in Paris?

    Get off the RER at the Saint-Martin D'Étampes stop, which is closest to Boissy-Le-Sec in Paris.

Popular Routes