The average train between Gare Montparnasse and Osny takes 54 min and the fastest train takes 47 min. There is a train service every few hours from Gare Montparnasse 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.
Trains run hourly between Gare Montparnasse and Osny. The earliest departure is at 6:44 AM in the morning, and the last departure from Gare Montparnasse is at 8:20 PM which arrives into Osny at 9:22 PM. All services require a transfer at Saint-Lazare and take an average of 54 min. The schedules shown below are for the next available departures.

57 min • 1 change

56 min • 1 change

57 min • 1 change

57 min • 1 change

55 min • 1 change

56 min • 1 change

59 min • 1 change

1h 1m • 1 change

55 min • 1 change

56 min • 1 change

59 min • 1 change

1h 1m • 1 change
Want to know about travelling from Gare Montparnasse 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 train from Gare Montparnasse to Osny. However, there are services departing from Gare Montparnasse station and arriving at Osny station via Osny. The journey, including transfers, takes approximately 54 min.
Gare Montparnasse to Osny train services, operated by RATP Metro, depart from Gare Saint-Lazare station.
Gare Montparnasse to Osny train services, operated by RATP Metro, arrive at Osny station.
The distance between Gare Montparnasse and Osny is 31.6 km. The road distance is 39 km.
Transilien – SNCF Voyageurs operates a train from Gare Saint-Lazare to Osny hourly. Tickets cost €4–7 and the journey takes 44 min.