How to get from Saint-Mesmes to Saclay by RER and bus?

From Saint-Mesmes to Saclay by RER and bus

To get from Saint-Mesmes to Saclay in Paris, you’ll need to take 2 bus lines and one RER line: take the 2130 bus from Centre station to Gare de Mitry - Claye station. Next, you’ll have to switch to the B RER and finally take the 9111 bus from Gare de Massy - Palaiseau station to Christ de Saclay station. The total trip duration for this route is approximately 1 hr 57 min. The RER and bus schedule from Saint-Mesmes may change. We recommend you check the updated RER and bus schedule to Saclay on the Moovit app.

117min
Bus - 21302130
RER - B
RER - B
Bus - 91119111
Walk to Saclay
Leaves from Centre

Step by Step

  • 1
    Start from bus station
    Start from bus station
    Saint-Mesmes
  • 2
    Bus - 21302130
    Wait for bus
    2130
    Gare de Mitry - Claye
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Mitry - Claye
    14 min
  • 4
    Walk to RER station
    Walk to RER station
    Mitry - Claye
    80 m • 1 min
  • 5
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 6
    Ride to RER station
    Ride to RER station
    Massy - Palaiseau
    67 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Massy - Palaiseau
    220 m • 3 min
  • 8
    Bus - 91119111
    Wait for bus
    9111
    Saint-Quentin - Gare Routière Des Prés
  • 9
    Ride to bus station
    Ride to bus station
    Christ de Saclay
    15 min
  • 10
    Walk to Saclay
    Walk to
    Saclay
    70 m • 1 min
*Duration based on 8am traffic
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Public transit directions from Saint-Mesmes to Saclay

The distance between Saint-Mesmes, Paris and Saclay, Paris is approximately 62.61 km, which can typically be travelled in 117 min. Moovit will show you the directions from Saint-Mesmes to Saclay 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-Mesmes to Saclay

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

    The fastest way takes 117 minutes, using Bus line 2130, RER line B, Bus line 9111.

  • Is there a direct bus between Saint-Mesmes and Saclay in Paris?

    No, you’ll have to take 2 bus lines and one RER line in total. The total travelling time is 1 hr 57 min.

  • Which bus line goes from Saint-Mesmes to Saclay in Paris?

    The 2130 bus line goes from Gare de Mitry - Claye station near Saint-Mesmes to Mitry - Claye station. From there you’ll have to take one bus line and one RER line till Mitry - Claye station near Saclay in Paris.

  • How long does it take to travel from Saint-Mesmes to Saclay in Paris by bus and RER?

    The total travel time between Saint-Mesmes and Saclay in Paris by bus and RER is about 1 hr 57 min.

  • Where do I get on the bus near Saint-Mesmes to get to Saclay in Paris?

    Get on the 2130 bus from the Gare de Mitry - Claye stop near Saint-Mesmes in Paris.

  • Where do I get off the bus when travelling between Saint-Mesmes and Saclay in Paris?

    Get off the bus at the Mitry - Claye stop, which is closest to Saclay in Paris.

Popular Routes