The average bus between Clamart and Osny takes 3h 15m and the fastest bus takes 2h 3m. There is a bus service every few hours from Clamart to Osny. 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 hourly between Clamart and Osny. The earliest departure is at 6:15 AM in the morning, and the last departure from Clamart is at 9:16 PM which arrives into Osny at 7:05 AM. All services require a transfer at Saint-Quentin - Gare P. Delouvrier W and take an average of 3h 15m. The schedules shown below are for the next available departures.


2h 32m • 2 changes


2h 12m • 2 changes


2h 28m • 2 changes


2h 53m • 2 changes


2h 32m • 2 changes


2h 33m • 2 changes


2h 20m • 2 changes


2h 31m • 2 changes


2h 32m • 2 changes


2h 33m • 2 changes


2h 20m • 2 changes


2h 31m • 2 changes
Want to know about travelling from Clamart to Osny? 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 Clamart to Osny. However, there are services departing from Clamart station and arriving at Osny station via Saint-Quentin - Gare P. Delouvrier W. The journey, including transfers, takes approximately 3h 15m.
Clamart to Osny bus services, operated by Lignes Île-de-France Ouest, depart from Division Leclerc station.
Clamart to Osny bus services, operated by Lignes Île-de-France Ouest, arrive at Gare de Cergy Préfecture - Quai O station.
The distance between Clamart and Osny is 33.2 km. The road distance is 70 km.
You can take a bus from Division Leclerc to William Thornley via Saint-Quentin - Gare P. Delouvrier W, Saint-Quentin - Gare routière Paul Delouvrier, Gare de Cergy Préfecture - Quai O, and Gare de Cergy Préfecture - Quai H in around 2h 49m.