The average bus between Colombes and Groslay takes 1h 1m and the fastest bus takes 42 min. The bus runs at least 2 times per hour from Colombes to Groslay. 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 30 minutes between Colombes and Groslay. The earliest departure is at 5:20 AM in the morning, and the last departure from Colombes is at 6:28 PM which arrives into Groslay at 7:33 PM. All services require a transfer, and take on average 1h 1m. The schedules shown below are for the next available departures.

46 min • 1 change

55 min • 1 change

52 min • 1 change

50 min • 1 change
Want to know about travelling from Colombes to Groslay? 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 Colombes to Groslay. However, there are services departing from Colombes station and arriving at Groslay station via Gare d'Épinay - Villetaneuse. The journey, including transfers, takes approximately 1h 1m.
Colombes to Groslay bus services, operated by RATP Cap Plaine Saint-Denis, depart from Gare d'Argenteuil station.
Colombes to Groslay bus services, operated by RATP Cap Plaine Saint-Denis, arrive at Gare de Groslay station.
The distance between Colombes and Groslay is 10.1 km. The road distance is 14 km.
You can take a bus from Gare d'Argenteuil to Gare de Groslay via Gare d'Épinay - Villetaneuse in around 1h 1m.