The average bus between Chatou and Cachan takes 2h 6m and the fastest bus takes 1h 32m. The bus runs at least 2 times per hour from Chatou to Cachan. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 30 minutes between Chatou and Cachan. The earliest departure is at 5:05 AM in the morning, and the last departure from Chatou is at 9:15 PM which arrives into Cachan at 11:04 PM. All services require a transfer at Pont de Saint-Cloud - Albert Kahn and take an average of 2h 6m. The schedules shown below are for the next available departures.


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1h 36m • 2 changesWant to know about travelling from Chatou to Cachan? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Chatou to Cachan. However, there are services departing from Rueil-Malmaison RER station and arriving at Porte d'Orléans station via Pont de Saint-Cloud - Albert Kahn station. The journey, including transfers, takes approximately 2h 6m.
Chatou to Cachan bus services, operated by Réseau de bus Défense et Saint-Cloud, depart from Rueil-Malmaison RER station.
Chatou to Cachan bus services, operated by Rive Gauche, arrive at Porte d'Orléans station.
The distance between Chatou and Cachan is 16.7 km. The road distance is 20 km.
You can take a bus from Rueil-Malmaison RER to Mairie de Cachan via Pont de Saint-Cloud - Albert Kahn and Porte d'Orléans in around 2h 1m.