The average train between Orly and Montparnasse takes 37 min and the fastest train takes 34 min. The train runs at least 3 times per hour from Orly to Montparnasse. 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 20 minutes between Orly and Montparnasse. The earliest departure is at 1:37 AM at night, and the last departure from Orly is at 8:52 AM which arrives into Montparnasse at 9:27 AM. All services require a transfer, and take on average 37 min. The schedules shown below are for the next available departures.

4h 14m • 1 change

36 min • 1 change

38 min • 1 change

39 min • 1 change
Want to know about travelling from Orly to Montparnasse? 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 Orly to Montparnasse. However, there are services departing from Orly station and arriving at Montparnasse station via Châtelet. The journey, including transfers, takes approximately 37 min.
Orly to Montparnasse train services, operated by RATP Metro, depart from Thiais - Orly station.
Orly to Montparnasse train services, operated by RATP Metro, arrive at Vavin station.
The distance between Orly and Montparnasse is 11.6 km. The road distance is 19 km.
You can take a subway from Thiais - Orly to Vavin via Châtelet in around 34 min.