How to get from Les Ulis to Boissy-Le-Chatel by RER and bus?

From Les Ulis to Boissy-Le-Chatel by RER and bus

To get from Les Ulis to Boissy-Le-Chatel in Paris, you’ll need to take 2 bus lines and one RER line: take the N122 bus from Rond-Point de Mondétour station to Châtelet station. Next, you’ll have to switch to the D RER and finally take the 7701 bus from Gare de Melun - Place de L'Ermitage station to Champauger station. The total trip duration for this route is approximately 5 hr 3 min. The RER and bus schedule from Les Ulis may change. We recommend you check the updated RER and bus schedule to Boissy-Le-Chatel on the Moovit app.

303min
Walk to bus station
Bus - N122N122
RER - D
RER - D
Bus - 77017701
Leaves from Rond-Point de Mondétour

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Rond-Point de Mondétour
    510 m • 7 min
  • 2
    Bus - N122N122
    Wait for bus
    N122
    Châtelet
  • 3
    Ride to bus station
    Ride to bus station
    Châtelet
    49 min
  • 4
    Walk to RER station
    Walk to RER station
    Châtelet Les Halles
    700 m • 10 min
  • 5
    RER - D
    Wait for RER
    D
    Melun
  • 6
    Ride to RER station
    Ride to RER station
    Gare de Melun
    61 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Melun - Place de L'Ermitage
    120 m • 2 min
  • 8
    Bus - 77017701
    Wait for bus
    7701
    Covoiturage
  • 9
    Ride to bus station Champauger
    Ride to bus station
    Champauger
    105 min
*Duration based on 8am traffic
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Public transit directions from Les Ulis to Boissy-Le-Chatel

The distance between Les Ulis, Paris and Boissy-Le-Chatel, Paris is approximately 135.6 km, which can typically be travelled in 303 min. Moovit will show you the directions from Les Ulis to Boissy-Le-Chatel 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 Les Ulis to Boissy-Le-Chatel

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

    The fastest way takes 303 minutes, using Bus line N122, RER line D, Bus line 7701.

  • Is there a direct bus between Les Ulis and Boissy-Le-Chatel in Paris?

    No, you’ll have to take 2 bus lines and one RER line in total. The total travelling time is 5 hr 3 min.

  • Which bus line goes from Les Ulis to Boissy-Le-Chatel in Paris?

    The N122 bus line goes from Rond-Point de Mondétour station near Les Ulis to Châtelet station. From there you’ll have to take one bus line and one RER line till Châtelet station near Boissy-Le-Chatel in Paris.

  • How long does it take to travel from Les Ulis to Boissy-Le-Chatel in Paris by bus and RER?

    The total travel time between Les Ulis and Boissy-Le-Chatel in Paris by bus and RER is about 5 hr 3 min.

  • Where do I get on the bus near Les Ulis to get to Boissy-Le-Chatel in Paris?

    Get on the N122 bus from the Rond-Point de Mondétour stop near Les Ulis in Paris.

  • Where do I get off the bus when travelling between Les Ulis and Boissy-Le-Chatel in Paris?

    Get off the bus at the Châtelet stop, which is closest to Boissy-Le-Chatel in Paris.

Popular Routes