Montana Cities
- Racetrack, MT
- Rader Creek, MT
- Radersburg, MT
- Radnor, MT
- Rainbow, MT
- Ramsay, MT
- Rapelje, MT
- Ravalli, MT
- Ravenna, MT
- Raymond, MT
- Raynesford, MT
- Red Bluff, MT
- Red Lodge, MT
- Red Rock, MT
- Red Rock Point, MT
- Red Top, MT
- Redstone, MT
- Reed Point, MT
- Renova, MT
- Reserve, MT
- Rexford, MT
- Reynolds City, MT
- Rhodes, MT
- Riceville, MT
- Richel Lodge, MT
- Richey, MT
- Richland, MT
- Ridge, MT
- Ridgelawn, MT
- Ridgeway, MT
- Riebeling, MT
- Rimini, MT
- Rimrock, MT
- Rimrock Colony, MT
- Ringling, MT
- Ripley, MT
- Rising Sun, MT
- Riverbend, MT
- Riverdale, MT
- Riverside, MT
- Riverview, MT
- Riverview Colony, MT
- Roanwood, MT
- Roberts, MT
- Robinson, MT
- Rochester, MT
- Rock Springs, MT
- Rocker, MT
- Rockport Colony, MT
- Rockvale, MT
- Rocky Boy West, MT
- Rocky Boy's Agency, MT
- Rocky Point, MT
- Rodgers Hall, MT
- Rogers, MT
- Rollins, MT
- Ronan, MT
- Roosville, MT
- Roscoe, MT
- Rosebud, MT
- Ross Fork, MT
- Ross Hall, MT
- Round Butte, MT
- Round Prairie, MT
- Roundup, MT
- Rowley, MT
- Roy, MT
- Ruby, MT
- Rudyard, MT
- Rumsey, MT
- Ryegate, MT
