The average bus between Poissy and Sermaises takes 6h 6m and the fastest bus takes 3h 48m. The bus service runs several times per day from Poissy to Sermaises. 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 3 times a day between Poissy and Sermaises. The earliest departure is at 6:20 AM in the morning, and the last departure from Poissy is at 9:45 PM which arrives into Sermaises at 8:10 AM. All services require a transfer at Saint-Quentin - Gare routière Paul Delouvrier and take an average of 6h 6m. The schedules shown below are for the next available departures.
Arrives next day




14h 15m • 4 changes
Arrives next day




10h 29m • 4 changes




5h 31m • 4 changes




4h 8m • 4 changes




4h 14m • 4 changes




3h 48m • 4 changes




5h 31m • 4 changes




7h 27m • 4 changes




4h 8m • 4 changes




4h 14m • 4 changes




5h 31m • 4 changes




4h 8m • 4 changes




4h 14m • 4 changes




3h 48m • 4 changes
Want to know about travelling from Poissy to Sermaises? 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 Poissy to Sermaises. However, there are services departing from Poissy station and arriving at Sermaises station via Saint-Quentin - Gare routière Paul Delouvrier. The journey, including transfers, takes approximately 6h 6m.
Poissy to Sermaises bus services, operated by Lignes Île-de-France Ouest, depart from Gare Routière Nord station.
Poissy to Sermaises bus services, operated by Lignes Île-de-France Ouest, arrive at Rue de Paris station.
The distance between Poissy and Sermaises is 71.2 km. The road distance is 125 km.
You can take a bus from Gare Routière Nord to Rue de Paris via Saint-Quentin - Gare routière Paul Delouvrier, Saint-Quentin - Gare Routière des Prés, Gare de Massy - Palaiseau, Gare de Dourdan, Gare d'Étampes, and Gare SNCF in around 5h 2m.