I travelled a lot myselfI and would be please to have you as a guest.
My flat is ideally located at no more than 30 min from Paris city center by train:
-line 9 (mairie de montreuil/Croix de chavaux, 10 min by foot)
-line 1 (Chateaux de vincennes 20 min by foot)
-RER A (Vincennes, 20 min by foot)..