How to get from Crosne to Saclay by RER and bus?

From Crosne to Saclay by RER and bus

To get from Crosne to Saclay in Paris, you’ll need to take 2 RER lines and one bus line: take the D RER from Montgeron - Crosne station to Châtelet - Les Halles station. Next, you’ll have to switch to the B RER and finally take the 4609 bus from Gare du Guichet station to Christ de Saclay station. The total trip duration for this route is approximately 1 hr 56 min. The RER and bus schedule from Crosne may change. We recommend you check the updated RER and bus schedule to Saclay on the Moovit app.

116min
Walk to RER stationRER - D
RER - D
RER - B
RER - B
Bus - 46094609
Walk to Saclay
Leaves from Montgeron - Crosne

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Montgeron - Crosne
    1.03 km • 13 min
  • 2
    RER - D
    Wait for RER
    D
    Goussainville
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet - Les Halles
    28 min
  • 4
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 5
    Ride to RER station
    Ride to RER station
    Le Guichet
    38 min
  • 6
    Walk to bus station
    Walk to bus station
    Gare du Guichet
    240 m • 4 min
  • 7
    Bus - 46094609
    Wait for bus
    4609
    Christ de Saclay
  • 8
    Ride to bus station
    Ride to bus station
    Christ de Saclay
    16 min
  • 9
    Walk to Saclay
    Walk to
    Saclay
    180 m • 3 min
*Duration based on 8am traffic
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Public transit directions from Crosne to Saclay

The distance between Crosne, Paris and Saclay, Paris is approximately 52.7 km, which can typically be travelled in 116 min. Moovit will show you the directions from Crosne 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 Crosne to Saclay

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

    The fastest way takes 116 minutes, using RER line D, RER line B, Bus line 4609.

  • Is there a direct RER between Crosne and Saclay in Paris?

    No, you’ll have to take 2 RER lines and one bus line in total. The total travelling time is 1 hr 56 min.

  • Which RER line goes from Crosne to Saclay in Paris?

    The D RER line goes from Montgeron - Crosne station near Crosne to Châtelet - Les Halles station. From there you’ll have to take one RER line and one bus line till Châtelet - Les Halles station near Saclay in Paris.

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

    The total travel time between Crosne and Saclay in Paris by RER and bus is about 1 hr 56 min.

  • Where do I get on the RER near Crosne to get to Saclay in Paris?

    Get on the D RER from the Montgeron - Crosne station near Crosne in Paris.

  • Where do I get off the RER when travelling between Crosne and Saclay in Paris?

    Get off the RER at the Châtelet - Les Halles stop, which is closest to Saclay in Paris.

Popular Routes