The average bus between Rennes and Montparnasse takes 6h 1m and the fastest bus takes 4h 41m. The bus service runs several times per day from Rennes 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.
Buses run 4 times a day between Rennes and Montparnasse. The earliest departure is at 6:55 AM in the morning, and the last departure from Rennes is at 11:50 PM which arrives into Montparnasse at 7:37 AM. All services require a transfer at Paris, Quai de Bercy (Bercy Seine) and take an average of 6h 1m. The schedules shown below are for the next available departures.

5h 28m • 1 change

6h 51m • 1 change

5h 7m • 1 change
Arrives next day

7h 57m • 1 change

6h 44m • 1 change

5h 31m • 1 change

6h 53m • 1 change

5h 7m • 1 change

5h 38m • 1 change

5h 8m • 1 change
Arrives next day

7h 50m • 1 change

5h 38m • 1 change

5h 8m • 1 change
Arrives next day

7h 50m • 1 change

5h 38m • 1 change

5h 8m • 1 change
Arrives next day

7h 50m • 1 change

6h 57m • 1 change

5h 38m • 1 change

6h 55m • 1 change

5h 8m • 1 change
Want to know about travelling from Rennes 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 bus from Rennes to Montparnasse. However, there are services departing from Rennes station and arriving at Montparnasse station via Paris, Quai de Bercy (Bercy Seine). The journey, including transfers, takes approximately 6h 1m.
Rennes to Montparnasse bus services, operated by BlaBlaCar Bus, depart from Rennes station.
Rennes to Montparnasse bus services, operated by BlaBlaCar Bus, arrive at Paris, Quai de Bercy (Bercy Seine) station.
The distance between Rennes and Montparnasse is 306 km. The road distance is 358 km.
FlixBus operates a bus from Rennes to Paris, Quai de Bercy (Bercy Seine) 5 times a day. Tickets cost €26–45 and the journey takes 4h 25m.