MERCURE MALAKOFF PARCEXPO. . By car from highway A6, follow the Périphérique Sud, take the Porte de Châtillon exit and go right towards Malakoff. The hotel is on the right in about 770 yds (700 m). By train from Gare Montparnasse station, take metro line 13 to Châtillon Montrouge, th en go about 770 yds (700 m) up avenue Pierre Brossolette towards the city center. By plane from CDG Airport, take the RER B to Denfert Rochereau, then take metro line 4 to Porte d'Orléans, where bus 388 or bus 194 will take you to stop Augustin Dumont.