I am taking the M5 line to Gare du Nord in order to catch the RER B train to CDG. How long a walk will I have from the M5 metro stop at Gare du Nord to the RER train station?
I am taking the M5 line to Gare du Nord in order to catch the RER B train to CDG. How long a walk will I have from the M5 metro stop at Gare du Nord to the RER train station?