Boullarre – Boulogne-la-Grasse – Boursonne – Boury-en-Vexin – Boutavent – Boutencourt – Bouvresse – Braisnes – Brasseuse – Brégy – Brenouille – Bresles – Breuil-le-Sec – Breuil-le-Vert – Briot – Brombos – Broquiers – Brunvillers-la-Motte – Bucamps – Buicourt – Bulles – Bury – Caisnes – Cambronne-lès-Clermont – Cambronne-lès-Ribécourt – Campremy – Candor – Canly – Cannectancourt – Canny-sur-Matz – Canny-sur-Thérain – Carlepont – Catenoy – Catheux – Catigny – Catillon-Fumechon – Cauffry – Cauvigny – Cempuis – Cernoy – Chamant – Chambly – Chambors – Chantilly – Chaumont-en-Vexin – Chavençon – Chelles – Chepoix – Chevincourt – Chiry-Ourscamps – Choisy-au-Bac – Choisy-la-Victoire – Choqueuse-les-Bénards – Cinqueux.