Also checkout out this open source ranking of French cities by walkable area. https://www.villes.plus/pietonnes https://www.villes.plus/pietonnes Exemple map

Also checkout out this open source ranking of French cities by walkable area. https://www.villes.plus/pietonnes https://www.villes.plus/pietonnes Exemple map of Paris : https://www.villes.plus/pietonnes/Paris https://www.villes.plus/pietonnes/Paris