Paris-Charles de Gaulle Airport i servd by TGV High Speed Train (from the North, South and West), by Thalys and Mainline trains. The SNCF French Railways station in Terminal 2 ensures fast interconnection times.

Please note: The Paris-Charles de Gaulle railway station is not served by all TGV, Thalys and Mainline trains. Only a limited number of trains actually stop at the station so you may need to change trains.

The SNCF French Railways station at Paris-Charles-de Gaulle is located in Terminal 2:

Level 1 :	Platforms for TGV, Thalys, Mainline and RER B regional express trains
Level 2 :	SNCF French Railways station
Level 3 :	Hotel Sheraton Business Center
Level 4 :	Moving walkways for accessing Terminals 2C, 2D, 2E and 2F
Level 5 :	Departure level for Aéroports de Paris Shuttle busses (to Terminal 1, Terminal 3 and Terminals 2A and 2B), Departure level for Taxis Departure level for Hotel shuttles

To leave Paris-Charles de Gaulle airport using the SNCF French Railways station

In your arrivals terminal, take a look at the times of TGV, Thalys, Mainline and RER B regional express trains shown on the information screens. These screens are located opposite the exits from the baggage claim areas in Terminal 2 (A, B, C, D, E and F).
 
To reach the SNCF French Railways station:

Terminal 1 :	Take the Aéroports de Paris subway CDGVAL. Stop at "Termial 2 Gare" and follow the signs for "Paris by train" or stop at "Terminal 3 / Roissypôle" to use RERB to Paris.
Terminal 2 :	Follow the signs for "Paris by train" (Paris par train) using the moving walkway
Terminal 3 :	Take the footpath (about a 250 meter walk) and follow the signs for "Paris by train" (Paris by train). Use RERB to Paris or use the Aéroports de Paris subway CDGVAL and stop at "Terminal 2 Gare".