Public car park nearby: Parking Montparnasse: 11, rue de l’Arrivée
Roissy-Charles de Gaulle:
Roissy Bus to Opéra then metro line 12.
RER B to Denfert Rochereau then 2 stations on metro line 6 to Edgar Quinet.
Orly:
Orly Bus to Denfert Rochereau metro station, then 2 stations on line 6 to Edgar Quinet.
RER B to Denfert Rochereau then 2 stations on metro line 6.
Gare Saint-Lazare
Metro line 12 towards Mairie d’Issy, get off at Montparnasse Bienvenüe, exit Rue d’Odessa.
Go up rue d’Odessa to boulevard Edgard Quinet, rue Delambre is the second on the left.
Gare du Nord/Gare de l’Est
Metro line 4 towards Porte d’Orléans, get off at Vavin.
Gare de Lyon or Gare d’Austerlizt
Bus 91 towards Montparnasse 2, get off at Vavin.
Gare de lyon ou Gare d’Austerlitz
Bus 91 direction Montparnasse 2, descendre à Vavin.
Gare Montparnasse
Take boulevard Edgard Quinet, rue Delambre is the third on the left.
By Metro/RER/bus :
Metro: Vavin (line 4) or Edgar Quinet (line 6) or Gaité (line 13)
RER (close by): Denfert-Rochereau or Port-Royal (line B)
Bus: lines 38, 68, 82, 91 and 92
Vélib station (bicycle sharing), 13 boulevard Edgar Quinet
Electric car rental: ADA 11, rue de la Gaité
And of course all public transport!!