Take either the underground (metro) or a bus and get
off at the "Gare de l'Est".
From Charles de Gaulle airport (Roissy):
Take the RATP bus 350 and get off at the "Gare de
l'Est" (the journey takes about an hour).
The "Gare de l'Est" is not located at the end of
this bus road so make sure to get off at
"Gare de l'Est".
Or
Use ROISSY RAIL - go to the RER station in the
airport and take the RER line B in the direction
of the "Gare du Nord".
Get off at the "Gare du Nord" and walk to the "Gare
de l'Est", (10 minutes).
Total length of the journey is about 45 minutes.
From Orly airport:
ORLYVAL : take the automatic metro Orlyval to
"Antony" then take the RER line B in the direction
of the "Gare du Nord". Get off at the "Gare du Nord"
and walk to the "Gare de l'Est" (10 minutes).
Total length of the journey is about 45 minutes.
From "Gare de l'Est" there are trains that run
directly to Troyes.
These run approximately every two hours during the
day and evening.
The journey normally takes between 1.5 and 2 hours.