How to get from Boissy-Le-Sec to Cergy by RER and bus?

From Boissy-Le-Sec to Cergy by RER and bus

To get from Boissy-Le-Sec to Cergy in Paris, you’ll need to take one bus line and 2 RER lines: take the 4414 bus from Le Rotoir station to Gare D'Étampes station. Next, you’ll have to switch to the C RER and finally take the A RER from Gare de Lyon station to Cergy Préfecture station. The total trip duration for this route is approximately 2 hr 50 min. The RER and bus schedule from Boissy-Le-Sec may change. We recommend you check the updated RER and bus schedule to Cergy on the Moovit app.

170min
Bus - 44144414
RER - C
RER - C
RER - A
RER - A
Walk to Cergy
Leaves from Le Rotoir

Step by Step

  • 1
    Start from bus station
    Start from bus station
    Boissy-Le-Sec
  • 2
    Bus - 44144414
    Wait for bus
    4414
    Gare D'Étampes
  • 3
    Ride to bus station
    Ride to bus station
    Gare D'Étampes
    22 min
  • 4
    Walk to RER station
    Walk to RER station
    Étampes
    20 m • 1 min
  • 5
    RER - C
    Wait for RER
    C
    Saint-Quentin En Yvelines - Montigny-Le-Bretonneux
  • 6
    Ride to RER station
    Ride to RER station
    Gare D'Austerlitz
    57 min
  • 7
    Walk to RER station
    Walk to RER station
    Gare de Lyon
    720 m • 9 min
  • 8
    RER - A
    Wait for RER
    A
    Cergy Le Haut
  • 9
    Ride to RER station
    Ride to RER station
    Cergy Préfecture
    44 min
  • 10
    Walk to Cergy
    Walk to
    Cergy
    860 m • 11 min
*Duration based on 8am traffic
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Public transit directions from Boissy-Le-Sec to Cergy

The distance between Boissy-Le-Sec, Paris and Cergy, Paris is approximately 106.64 km, which can typically be travelled in 170 min. Moovit will show you the directions from Boissy-Le-Sec to Cergy 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 Boissy-Le-Sec to Cergy

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

    The fastest way takes 170 minutes, using Bus line 4414, RER line C, RER line A.

  • Is there a direct bus between Boissy-Le-Sec and Cergy in Paris?

    No, you’ll have to take one bus line and 2 RER lines in total. The total travelling time is 2 hr 50 min.

  • Which bus line goes from Boissy-Le-Sec to Cergy in Paris?

    The 4414 bus line goes from Gare D'Étampes station near Boissy-Le-Sec to Étampes station. From there you’ll have to take 2 RER lines till Étampes station near Cergy in Paris.

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

    The total travel time between Boissy-Le-Sec and Cergy in Paris by bus and RER is about 2 hr 50 min.

  • Where do I get on the bus near Boissy-Le-Sec to get to Cergy in Paris?

    Get on the 4414 bus from the Gare D'Étampes stop near Boissy-Le-Sec in Paris.

  • Where do I get off the bus when travelling between Boissy-Le-Sec and Cergy in Paris?

    Get off the bus at the Étampes station, which is closest to Cergy in Paris.

Popular Routes