· Ohio · Oklahoma · Oregon
· There are no cities in Maryland that begin with the letter O. However, Ocean City is a town in Worcester County, Maryland
On and Of
U.S. state capitals that start with the letter O:Oklahoma City, OklahomaOlympia, Washington
One country starts with the letter "O", Oman
Two counties in South Carolina begin with the letter O. Oconee and Orangeburg are counties in South Carolina.
Oregon, which lies between Washington State to the North, and California and Nevada to the South. There are only two other States that begin with the letter 'O', these being Ohio and Oklahoma.
Oboe and olives are objects. Oranges and ostrich begin with the letter o.
Outstanding and optimistic are positive words. They begin with the letter o.
· Okra · Olives · Orange
Oranges, olives and okra are fruits. They begin with the letter o.
Oceanography and optometry are college subjects. They begin with the letter o.