The average bus between Gare de Rennes and Gare Montparnasse takes 5h 40m and the fastest bus takes 4h 38m. The bus service runs several times per day from Gare de Rennes to Gare 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 every 4 hours between Gare de Rennes and Gare Montparnasse. The earliest departure is at 5:05 AM in the morning, and the last departure from Gare de Rennes is at 11:50 PM which arrives into Gare Montparnasse at 7:43 AM. All services require a transfer at Paris, Quai de Bercy (Bercy Seine) and take an average of 5h 40m. The schedules shown below are for the next available departures.

5h 25m • 1 change

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Arrives next day

7h 53m • 1 change

5h 49m • 1 change

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6h 38m • 1 change

5h 28m • 1 change

5h 43m • 1 change

5h 42m • 1 change

6h 38m • 1 change

5h 28m • 1 change

5h 43m • 1 change

5h 49m • 1 change

6h 45m • 1 change

5h 25m • 1 change

5h 41m • 1 change

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5h 41m • 1 change
Want to know about travelling from Gare de Rennes to Gare 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 Gare de Rennes to Gare Montparnasse. However, there are services departing from Gare de Rennes station and arriving at Gare Montparnasse station via Paris, Quai de Bercy (Bercy Seine). The journey, including transfers, takes approximately 5h 40m.
Gare de Rennes to Gare Montparnasse bus services, operated by BlaBlaCar Bus, depart from Rennes station.
Gare de Rennes to Gare Montparnasse bus services, operated by BlaBlaCar Bus, arrive at Paris, Quai de Bercy (Bercy Seine) station.
The distance between Gare de Rennes and Gare Montparnasse is 305.3 km. The road distance is 350 km.
FlixBus operates a bus from Rennes to Paris, Quai de Bercy (Bercy Seine) every 4 hours. Tickets cost €29–50 and the journey takes 4h 15m.