There is only one current country beginning with the letter "O"... Oman.
Oman is the only country that begins with the letter O.
Only one country starts with the letter O, which is Oman.
Oman is the only country that starts with O. There is no other country.
Oman.Note:Oman is the only country that starts with the letter o.
One country starts with the letter "O", Oman
No country in Europe begins with the letter O. Oman is the only country in the world that begins with the letter O. Oman is in Asia.
Oman is the only country that begins with the letter O. Muscat is the capital city of Oman.
There are no 5 letter countries in Asia that begin with the letter "O". The only country in Asia that begins with "O" is Oman.
There is only one current country beginning with the letter "O"... Oman.
Countries starts with letter X - none recorded, see link below for the list.
Oman is a country. It begins with the letter O.
Oslo
No country begins with P and has O as the 5th letter.
Oman.
Ohio, Oklahoma, and Oregon are the only US states that begin with the letter O.
Oman is a country that starts with the letter O. (In fact, it's the ONLY country beginning with the letter O.)