How to get from Osny to Chatou by RER and train?

From Osny to Chatou by RER and train

To get from Osny to Chatou in Chatou, take the J train from Osny station to Gare Saint-Lazare station. Next, take the A RER from Auber station to Chatou - Croissy station. The total trip duration for this route is approximately 1 hr 28 min. The RER and train schedule from Osny may change. We recommend you check the updated RER and train schedule to Chatou on the Moovit app.

88min
Train - J
Train - J
RER - A
RER - A
Walk to Chatou
Leaves from Osny

Step by Step

  • 1
    Start from train station
    Start from train station
    Osny
  • 2
    Train - J
    Wait for train
    J
    Gare Saint-Lazare
  • 3
    Ride to train station
    Ride to train station
    Gare Saint-Lazare
    42 min
  • 4
    Walk to RER station
    Walk to RER station
    Auber
    270 m • 4 min
  • 5
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 6
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    20 min
  • 7
    Walk to Chatou
    Walk to
    Chatou
    610 m • 8 min
*Duration based on 8am traffic

From Osny to Chatou by RER and bus

To get from Osny to Chatou you’ll need to take one bus line and 2 RER lines: take the 1206 bus from Osny Gare Sncf station to Gare de Cergy Saint-Christophe station. Next, you’ll have to switch to the A RER and finally take the A RER from Nanterre Préfecture station to Chatou - Croissy station. The total trip duration for this route is approximately 1 hr 15 min. The RER and train schedule from Osny may change. We recommend you check the updated RER and train schedule to Chatou on the Moovit app.

75min
Walk to bus station
Bus - 12061206
RER - A
RER - A
RER - A
RER - A
Walk to Chatou
Leaves from Osny Gare Sncf

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Osny Gare Sncf
    90 m • 2 min
  • 2
    Bus - 12061206
    Wait for bus
    1206
    Cergy Le Haut RER
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Cergy Saint-Christophe
    12 min
  • 4
    Walk to RER station
    Walk to RER station
    Cergy Saint-Christophe
    50 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Boissy-Saint-Léger
  • 6
    Ride to RER station
    Ride to RER station
    Nanterre Préfecture
    31 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    10 min
  • 9
    Walk to Chatou
    Walk to
    Chatou
    610 m • 8 min
*Duration based on 8am traffic
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Public transit directions from Osny to Chatou

The distance between Osny and Chatou is approximately 50.03 km, which can typically be travelled in 88 min. Moovit will show you the directions from Osny to Chatou by RER and train, so no matter how you choose to travel in Chatou – you will always have plenty of easy options.

RER And Train schedule from Osny to Chatou

To check the RER and train schedule from Osny to Chatou using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Osny) and destination (Chatou), then select the desired date and time of travel. Moovit will show all available RER and train routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each RER and train, 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 train schedules.

Related Routes

From Osny to Chatou by RER and bus

To get from Osny to Chatou you’ll need to take one bus line and 2 RER lines: take the 1206 bus from Osny Gare Sncf station to Gare de Cergy Saint-Christophe station. Next, you’ll have to switch to the A RER and finally take the A RER from Nanterre Préfecture station to Chatou - Croissy station. The total trip duration for this route is approximately 1 hr 15 min. The RER and train schedule from Osny may change. We recommend you check the updated RER and train schedule to Chatou on the Moovit app.

75min
Walk to bus station
Bus - 12061206
RER - A
RER - A
RER - A
RER - A
Walk to Chatou
Leaves from Osny Gare Sncf

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Osny Gare Sncf
    90 m • 2 min
  • 2
    Bus - 12061206
    Wait for bus
    1206
    Cergy Le Haut RER
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Cergy Saint-Christophe
    12 min
  • 4
    Walk to RER station
    Walk to RER station
    Cergy Saint-Christophe
    50 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Boissy-Saint-Léger
  • 6
    Ride to RER station
    Ride to RER station
    Nanterre Préfecture
    31 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    10 min
  • 9
    Walk to Chatou
    Walk to
    Chatou
    610 m • 8 min
*Duration based on 8am traffic

Questions & Answers

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

    The fastest way takes 88 minutes, using Train line J, RER line A.

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

    The alternative route takes 75 minutes, using Bus line 1206, RER line A, RER line A.

  • Is there a direct train between Osny and Chatou?

    No, you’ll have to take one train line and one RER line in total. The total travelling time is 1 hr 28 min.

  • Which train line goes from Osny to Chatou?

    The J train line goes from Gare Saint-Lazare station near Osny in Osny to Gare Saint-Lazare station. From there you’ll have to take one RER line till Gare Saint-Lazare station near Chatou.

  • How long does it take to travel from Osny to Chatou by train and RER?

    The total travel time between Osny and Chatou by train and RER is about 1 hr 28 min.

  • Where do I get on the train near Osny to get to Chatou?

    Get on the J train from the Gare Saint-Lazare station near Osny in Osny.

  • Where do I get off the train when travelling between Osny and Chatou?

    Get off the train at the Gare Saint-Lazare station, which is closest to Chatou.

Popular Routes