The average train between Rosny-sur-Seine and Conflans-Sainte-Honorine takes 1h 27m and the fastest train takes 50 min. There is a train service every few hours from Rosny-sur-Seine to Conflans-Sainte-Honorine. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 2 hours between Rosny-sur-Seine and Conflans-Sainte-Honorine. The earliest departure is at 5:27 AM in the morning, and the last departure from Rosny-sur-Seine is at 9:06 PM which arrives into Conflans-Sainte-Honorine at 5:23 AM. All services require a transfer at Mantes La Jolie and take an average of 1h 27m. The schedules shown below are for the next available departures.

1h 12m • 1 change

1h 10m • 1 change

1h 14m • 1 change

1h 5m • 1 change

52 min • 1 change

59 min • 1 change

50 min • 1 change

59 min • 1 change

52 min • 1 change

59 min • 1 change

50 min • 1 change

59 min • 1 change

53 min • 1 change

54 min • 1 change

1h 7m • 1 change

55 min • 1 change
Want to know about travelling from Rosny-sur-Seine to Conflans-Sainte-Honorine? 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 train from Rosny-sur-Seine to Conflans-Sainte-Honorine. However, there are services departing from Rosny-sur-Seine station and arriving at Conflans-Sainte-Honorine station via Conflans-Sainte-Honorine. The journey, including transfers, takes approximately 1h 27m.
Rosny-sur-Seine to Conflans-Sainte-Honorine train services, operated by Transilien – SNCF Voyageurs, depart from Mantes-la-Jolie station.
Rosny-sur-Seine to Conflans-Sainte-Honorine train services, operated by Transilien – SNCF Voyageurs, arrive at Conflans-Sainte-Honorine station.
The distance between Rosny-sur-Seine and Conflans-Sainte-Honorine is 34.2 km. The road distance is 39 km.
Transilien – SNCF Voyageurs operates a train from Mantes-la-Jolie to Conflans-Sainte-Honorine hourly. Tickets cost €4–6 and the journey takes 41 min.