Paris, Charles de Gaulle Airport Terminal 2 is made up of 6 sections. (2A, 2B, 2C, 2D, 2E) and 2F below.
There's a list of airlines serving 2F
From Terminals 2F you are literally only 3 minutes
easy walking from the TGV railway stations. See
train departures, maps and schedules from Charles de Gaulle