Cities starting with O Popular A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Oak Park Oakland charter Township Oakley Oden Old Mission Olivet Omena Omer Onaway Onekama Onondaga Onsted Ontonagon Orchard Lake Village Orion charter Township Orlando Orleans Oscoda Township Oshtemo Osseo Oswego Otisville Otsego Ottawa Lake Otter Lake Ovid Owendale Owosso