International audienceThis article explores the interactions between the French cities from a multi-dimensional and multi-scale approach. Most of the time, these relations are analyzed in a segmented way, focusing solely on one dimension among a multifaceted reality. To take into account the great diversity of exchanges, we simultaneously consider several types of inter-city links, reflecting individual mobility, economic relations and scientific partnerships, on which we apply flows selection methods and a scoring approach. These methods also allow distinguishing several interdependent scales of territorial dynamics: first, twenty six local urban systems are identified. Comparisons between these systems are conducted according to their mor...