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How to get from Saint-Germain-De-La-Grange to Boissy-Le-Sec by RER and bus?

From Saint-Germain-De-La-Grange to Boissy-Le-Sec by RER and bus

To get from Saint-Germain-De-La-Grange to Boissy-Le-Sec in Paris, you’ll need to take 2 bus lines and one RER line: take the 7818 bus from Trois Marches station to Saint-Quentin - Gare Routière Paul Delouvrier station. Next, you’ll have to switch to the C RER and finally take the 4414 bus from Gare D'Étampes station to Le Rotoir station. The total trip duration for this route is approximately 3 hr 19 min. The RER and bus schedule from Saint-Germain-De-La-Grange may change. We recommend you check the updated RER and bus schedule to Boissy-Le-Sec on the Moovit app.

199min
Walk to bus station
Bus - 78187818
RER - C
RER - C
Bus - 44144414
Walk to Boissy-Le-Sec
Leaves from Trois Marches

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Trois Marches
    1 km • 13 min
  • 2
    Bus - 78187818
    Wait for bus
    7818
    Saint-Quentin - Gare Routière Paul Delouvrier
  • 3
    Ride to bus station
    Ride to bus station
    Saint-Quentin - Gare Routière Paul Delouvrier
    19 min
  • 4
    Walk to RER station
    Walk to RER station
    Saint-Quentin En Yvelines - Montigny-Le-Bretonneux
    50 m • 1 min
  • 5
    RER - C
    Wait for RER
    C
    Saint-Martin D'Étampes
  • 6
    Ride to RER station
    Ride to RER station
    Étampes
    108 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare D'Étampes
    10 m • 1 min
  • 8
    Bus - 44144414
    Wait for bus
    4414
    Grande Rue
  • 9
    Ride to bus station
    Ride to bus station
    Le Rotoir
    17 min
  • 10
    Walk to Boissy-Le-Sec
    Walk to
    Boissy-Le-Sec
    10 m • 1 min
*Duration based on 8am traffic
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Public transit directions from Saint-Germain-De-La-Grange to Boissy-Le-Sec

The distance between Saint-Germain-De-La-Grange, Paris and Boissy-Le-Sec, Paris is approximately 108.96 km, which can typically be travelled in 199 min. Moovit will show you the directions from Saint-Germain-De-La-Grange 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-De-La-Grange to Boissy-Le-Sec

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

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Questions & Answers

  • What is the fastest way to get from Saint-Germain-De-La-Grange to Boissy-Le-Sec?

    The fastest way takes 199 minutes, using Bus line 7818, RER line C, Bus line 4414.

  • Is there a direct bus between Saint-Germain-De-La-Grange and Boissy-Le-Sec in Paris?

    No, you’ll have to take 2 bus lines and one RER line in total. The total travelling time is 3 hr 19 min.

  • Which bus line goes from Saint-Germain-De-La-Grange to Boissy-Le-Sec in Paris?

    The 7818 bus line goes from Trois Marches station near Saint-Germain-De-La-Grange to Saint-Quentin - Gare Routière Paul Delouvrier station. From there you’ll have to take one bus line and one RER line till Saint-Quentin - Gare Routière Paul Delouvrier station near Boissy-Le-Sec in Paris.

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

    The total travel time between Saint-Germain-De-La-Grange and Boissy-Le-Sec in Paris by bus and RER is about 3 hr 19 min.

  • Where do I get on the bus near Saint-Germain-De-La-Grange to get to Boissy-Le-Sec in Paris?

    Get on the 7818 bus from the Trois Marches stop near Saint-Germain-De-La-Grange in Paris.

  • Where do I get off the bus when travelling between Saint-Germain-De-La-Grange and Boissy-Le-Sec in Paris?

    Get off the bus at the Saint-Quentin - Gare Routière Paul Delouvrier stop, which is closest to Boissy-Le-Sec in Paris.

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