The average train between Nanterre and Grigny takes 55 min and the fastest train takes 49 min. The train runs at least 4 times per hour from Nanterre to Grigny. 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 15 minutes between Nanterre and Grigny. The earliest departure is at 12:24 AM at night, and the last departure from Nanterre is at 11:52 PM which arrives into Grigny at 12:48 AM. All services require a transfer, and take on average 55 min. The schedules shown below are for the next available departures.

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52 min • 1 changeWant to know about travelling from Nanterre to Grigny? 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 Nanterre to Grigny. However, there are services departing from Nanterre - Préfecture station and arriving at Grigny Centre station via Paris Gare de Lyon station. The journey, including transfers, takes approximately 55 min.
Nanterre to Grigny train services, operated by Réseau Express Régional (RER Paris), depart from Nanterre - Préfecture station.
Nanterre to Grigny train services, operated by Société Nationale des Chemins de fer Français (SNCF), arrive at Grigny Centre station.
The distance between Nanterre and Grigny is 29.8 km. The road distance is 38 km.
You can take a train from Nanterre - Préfecture to Grigny Centre via Paris Gare de Lyon in around 59 min.