- Nunica
- Oak Park
- Oakland
- Oakley
- Oden
- Okemos
- Old Mission
- Olivet
- Omena
- Omer
- Onaway
- Onekama
- Onondaga
- Onsted
- Ontonagon
- Orleans
- Ortonville
- Oscoda
- Oshtemo
- Osseo
- Ossineke
- Otisville
- Otsego
- Ottawa Lake
- Otter Lake
- Ovid
- Owendale
- Owosso
- Oxford
- Painesdale
- Palmer
- Palms
- Palmyra
- Palo
- Paradise
- Paris
- Parma
- Paw Paw
- Peck
- Pelkie
- Pellston
- Pentwater
- Perkins
- Perrinton
- Perronville
- Perry
- Petersburg
- Petoskey
- Pewamo
- Pickford
- Pierson
- Pigeon
- Pinckney
- Pinconning
- Pittsford
- Plainwell
- Pleasant Lake
- Pleasant Ridge
- Plymouth
- Pointe Aux Pins
- Pompeii
- Pontiac
- Port Austin
- Port Hope
- Port Huron
- Port Sanilac
- Portage
- Portland
- Posen
- Potterville
- Powers
- Prescott
- Presque Isle
- Prudenville
- Pullman
- Quincy
- Quinnesec
- Ralph
- Ramsay
- Rapid City
- Rapid River
- Ravenna
- Ray
- Reading
- Redford
- Reed City
- Reese
- Remus
- Republic
- Rhodes
- Richland
- Richmond
- Richville
- Riga
- River Rouge
- Riverdale
- Riverside
- Riverview
- Rives Junction
- Rochester
- Rock
- Rockford
- Rockland
- Rockwood
- Rodney
- Rogers City
- Romeo
- Romulus
- Roscommon
- Rose City
- Rosebush
- Roseville
- Rothbury
- Royal Oak
- Rudyard
- Rumely
- Ruth
- Saginaw
- Sagola
- Saint Charles
- Saint Clair
- Saint Clair Shores
- Saint Helen
- Saint Ignace
- Saint Johns
- Saint Joseph
- Saint Louis
- Salem
- Saline
- Samaria
- Sand Creek
- Sand Lake
- Sandusky
- Sanford
- Saranac
- Saugatuck
- Sault Sainte Marie
- Sawyer
- Schoolcraft
- Scotts
- Scottville
- Sears
- Sebewaing
- Seney
- Shaftsburg
- Shelby
- Shelbyville
- Shepherd
- Sheridan
- Sherwood