The average bus between Poissy and Sermaises takes 6h 27m and the fastest bus takes 3h 44m. 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 4 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 27m. The schedules shown below are for the next available departures.




5h 31m • 4 changes



4h 8m • 4 changes



4h 14m • 4 changes



3h 48m • 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 changesWant 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 Gare Routière Nord station and arriving at Rue de Paris station via Saint-Quentin - Gare routière Paul Delouvrier station, Gare de Massy - Palaiseau station, Gare de Dourdan station and Gare d'Étampes station. The journey, including transfers, takes approximately 6h 27m.
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 Réseau de Mobilité Interurbaine (Rémi), arrive at Rue de Paris station.
The distance between Poissy and Sermaises is 71.2 km. The road distance is 86 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 4m.