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How to get from Orsay to Chatou by RER and bus?

From Orsay to Chatou by RER and bus

To get from Orsay to Chatou in Paris, you’ll need to take 2 RER lines and one bus line: take the B RER from Le Guichet station to Châtelet Les Halles station. Next, you’ll have to switch to the A RER and finally take the T bus from Gare de Chatou - Croissy station to Renoir station. The total trip duration for this route is approximately 1 hr 32 min.

92min
Walk to RER stationRER - B
RER - B
RER - A
RER - A
Bus - TT
Leaves from Le Guichet

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Le Guichet
    1.21 km • 16 min
  • 2
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    33 min
  • 4
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 5
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    21 min
  • 6
    Walk to bus station
    Walk to bus station
    Gare de Chatou - Croissy
    60 m • 1 min
  • 7
    Bus - TT
    Wait for bus
    T
    Place du Docteur Roux
  • 8
    Ride to bus station Renoir
    Ride to bus station
    Renoir
    16 min
*Duration based on 8am traffic

Alternative route from Orsay to Chatou by RER and bus via B, A and A

To get from Orsay to Chatou in Paris, you’ll need to take 2 RER lines and one bus line: take the B RER from Le Guichet station to Châtelet Les Halles station. Next, you’ll have to switch to the A RER and finally take the A bus from Gare de Houilles - Carrières-Sur-Seine station to Renoir station. The total trip duration for this route is approximately 1 hr 38 min.

98min
Walk to RER stationRER - B
RER - B
RER - A
RER - A
Bus - AA
Leaves from Le Guichet

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Le Guichet
    1.21 km • 16 min
  • 2
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    33 min
  • 4
    RER - A
    Wait for RER
    A
    Cergy Le Haut
  • 5
    Ride to RER station
    Ride to RER station
    Houilles - Carrières-Sur-Seine
    18 min
  • 6
    Walk to bus station
    Walk to bus station
    Gare de Houilles - Carrières-Sur-Seine
    60 m • 1 min
  • 7
    Bus - AA
    Wait for bus
    A
    Gare du Vésinet - Le Pecq
  • 8
    Ride to bus station Renoir
    Ride to bus station
    Renoir
    12 min
*Duration based on 8am traffic
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Public transit directions from Orsay to Chatou

The distance between Orsay, Paris and Chatou, Paris is approximately 44.78 km, which can typically be travelled in 92 min. Moovit will show you the directions from Orsay to Chatou by RER and bus, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

Alternative route from Orsay to Chatou by RER and bus via B, A and A

To get from Orsay to Chatou in Paris, you’ll need to take 2 RER lines and one bus line: take the B RER from Le Guichet station to Châtelet Les Halles station. Next, you’ll have to switch to the A RER and finally take the A bus from Gare de Houilles - Carrières-Sur-Seine station to Renoir station. The total trip duration for this route is approximately 1 hr 38 min.

98min
Walk to RER stationRER - B
RER - B
RER - A
RER - A
Bus - AA
Leaves from Le Guichet

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Le Guichet
    1.21 km • 16 min
  • 2
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    33 min
  • 4
    RER - A
    Wait for RER
    A
    Cergy Le Haut
  • 5
    Ride to RER station
    Ride to RER station
    Houilles - Carrières-Sur-Seine
    18 min
  • 6
    Walk to bus station
    Walk to bus station
    Gare de Houilles - Carrières-Sur-Seine
    60 m • 1 min
  • 7
    Bus - AA
    Wait for bus
    A
    Gare du Vésinet - Le Pecq
  • 8
    Ride to bus station Renoir
    Ride to bus station
    Renoir
    12 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Orsay to Chatou?

    The fastest way takes 92 minutes, using RER line B, RER line A, Bus line T.

  • What is the alternative route to get from Orsay to Chatou?

    The alternative route takes 98 minutes, using RER line B, RER line A, Bus line A.

  • Is there a direct RER between Orsay and Chatou in Paris?

    No, you’ll have to take 2 RER lines and one bus line in total. The total travelling time is 1 hr 32 min.

  • Which RER line goes from Orsay to Chatou in Paris?

    The B RER line goes from Le Guichet station near Orsay to Aéroport Charles de Gaulle 2 (Terminal 2) station. From there you’ll have to take one RER line and one bus line till Aéroport Charles de Gaulle 2 (Terminal 2) station near Chatou in Paris.

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

    The total travel time between Orsay and Chatou in Paris by RER and bus is about 1 hr 32 min.

  • Where do I get on the RER near Orsay to get to Chatou in Paris?

    Get on the B RER from the Le Guichet station near Orsay in Paris.

  • Where do I get off the RER when travelling between Orsay and Chatou in Paris?

    Get off the RER at the Aéroport Charles de Gaulle 2 (Terminal 2) stop, which is closest to Chatou in Paris.