Towns
| State | City/Town | Town Title |
|---|---|---|
| Montana | Reed Point | Reed Point, MT |
| Montana | Reserve | Reserve, MT |
| Montana | Rexford | Rexford, MT |
| Montana | Richey | Richey, MT |
| Montana | Richland | Richland, MT |
| Montana | Ringling | Ringling, MT |
| Montana | Roberts | Roberts, MT |
| Montana | Rollins | Rollins, MT |
| Montana | Ronan | Ronan, MT |
| Montana | Roscoe | Roscoe, MT |
| Montana | Rosebud | Rosebud, MT |
| Montana | Roundup | Roundup, MT |
| Montana | Roy | Roy, MT |
| Montana | Rudyard | Rudyard, MT |
| Montana | Ryegate | Ryegate, MT |
| Montana | Saco | Saco, MT |
| Montana | Saint Ignatius | Saint Ignatius, MT |
| Montana | Saint Marie | Saint Marie, MT |
| Montana | Saint Regis | Saint Regis, MT |
| Montana | Saint Xavier | Saint Xavier, MT |
| Montana | Saltese | Saltese, MT |
| Montana | Sand Coulee | Sand Coulee, MT |
| Montana | Sanders | Sanders, MT |
| Montana | Savage | Savage, MT |
| Montana | Scobey | Scobey, MT |