| Vacqueriette-Erquières, Montreuil |
| Tubersent, Montreuil |
| Tramecourt, Montreuil |
| Tortefontaine, Montreuil |
| Torcy, Montreuil |
| Tigny-Noyelle, Montreuil |
| Sorrus, Montreuil |
| Senlis, Montreuil |
| Sempy, Montreuil |
| Saulchoy, Montreuil |
| Sainte-Austreberthe, Montreuil |
| Saint-Rémy-au-Bois, Montreuil |
| Saint-Michel-sous-Bois, Montreuil |
| Saint-Josse, Montreuil |
| Saint-Georges, Montreuil |
| Saint-Denœux, Montreuil |
| Saint-Aubin, Montreuil |
| Sains-lès-Fressin, Montreuil |
| Rumilly, Montreuil |
| Ruisseauville, Montreuil |
| Royon, Montreuil |
| Roussent, Montreuil |
| Rollancourt, Montreuil |
| Rimboval, Montreuil |
| Regnauville, Montreuil |
| Recques-sur-Course, Montreuil |
| Raye-sur-Authie, Montreuil |
| Rang-du-Fliers, Montreuil |
| Radinghem, Montreuil |
| Quilen, Montreuil |